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Ordinary Differential Equations
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On a scheme for studying cycles of nonlinear systems
N. A. Bobylev, A. V. Bulatov, S. K. Korovin, A. A. Kutuzov
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3–8 |
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Some properties of root functions of differential operators that are connected with the unconditional basis property
V. D. Budaev
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9–14 |
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The curve of separatrix cycles of an autonomous quadratic system in the plane. The case of two anti-saddles
S. I. Dovnar, L. A. Cherkas
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15–21 |
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Some estimates for root functions of a matrix differential operator with a diagonal-matrix eigenvalue
A. V. Dyadechko
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22–31 |
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An estimate, uniform on the whole line $\mathbb R$, for the rate of convergence of a spectral expansion corresponding to the Schrödinger operator with a summable potential
V. A. Il'in, L. V. Kritskov
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32–36 |
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On necessary and sufficient conditions for the basis property of systems of root functions of a differential operator
N. B. Kerimov
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37–43 |
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The potential method in a linear time-optimality problem
Yu. N. Kiselev, M. V. Orlov
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44–51 |
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Singular Cauchy problems for singularly perturbed systems of nonlinear ordinary differential equations. I
N. B. Konyukhova
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52–61 |
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Distribution of eigenvalues for uniformly minimal systems of root functions of ordinary differential operators
L. V. Kritskov
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62–70 |
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On the rate of convergence of biorthogonal series connected with second-order differential operators
I. S. Lomov
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71–82 |
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Partial Differential Equations
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On the convergence of Riesz means of spectral expansions that correspond to the Schrödinger operator with a singular potential
N. S. Buzurnyuk, V. S. Serov
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83–89 |
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The generalized Fourier method for solving mixed problems for nonlinear equations
A. I. Vagabov
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90–100 |
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On the semidiscretization method in the problem of periodic solutions of quasilinear autonomous parabolic equations
I. N. Gurova, M. I. Kamenskii
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101–106 |
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On some problem of the reconstruction of a boundary condition for a parabolic equation. I
A. B. Kostin, A. I. Prilepko
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107–116 |
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On the differential properties of expansions in a system of sines and cosines
E. I. Moiseev
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117–126 |
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Short Communications
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On the construction of solutions of linear difference systems with continuous time
M. G. Blizorukov
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127–128 |
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On a method for solving a form of integral equations of the first kind
A. N. Zarubin
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129–130 |
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On solutions, bounded on the half-axis, of nonlinear differential equations
V. N. Laptinskii
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131–132 |
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On a boundary value problem for the Schrödinger operator with a complex potential
A. S. Makin
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133–134 |
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On the expansion of the solution of the generalized Gellerstedt problem in a biorthogonal series
A. A. Polosin
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135–137 |
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On a connection between the solutions of a linear differential equation and solutions of a conjugate equation
A. K. Svinin
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138–139 |
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