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1990, Volume 26, Number 4  

Ordinary Differential Equations
Frequency estimates for the Hausdorff dimension of the attractors of nonlinear systems
V. A. Boichenko, G. A. Leonov 		555–563
Effective sufficient conditions for uniform local controllability
L. I. Danilov, A. G. Ivanov 		563–572
Singularly perturbed systems that contain singular manifolds, and isolated stable roots
E. G. Eroshkina 		573–578
Vanishing Kneser solutions of the Emden–Fowler equation
N. A. Izobov, V. A. Rabtsevich 		578–585
The perturbation method for the asymptotic solution of a quasilinear time-optimality problem
A. I. Kalinin 		585–594
Frequency criteria for the existence of periodic solutions for systems with integral constraints
A. V. Megretski 		594–599
On the solution of the Cauchy problem for infinite systems of differential equations that describe the process of multiphoton collisionless excitation of molecules
N. N. Rogovtsov 		600–607
On a construction of an extension of a control problem with integral constraints
V. P. Serov, A. G. Chentsov 		607–618
On a third-order nonlinear differential equation
M. P. Sidorevich, N. A. Lukashevich 		618–621
On the problem of continuous stabilization of nonstationary objects
B. V. Ulanov 		622–625
Asymptotics of integral manifolds and the decomposition of singularly perturbed systems of neutral type
È. M. Fridman 		626–639

Partial Differential Equations
Some parabolic and elliptic equations in a Hilbert space
O. D. Dyachkin 		640–652
The existence of a solution of traveling wave type for the Belousov–Zhabotinskiǐ system of equations
Ya. I. Kanel' 		652–660
Diffusion of fractional order
A. N. Kochubei 		660–670
Properties of generalized solutions of some degenerate equations of parabolic type
P. I. Mysovskikh 		670–676
Elliptic inequalities for thin elastic bodies with a small friction coefficient
S. A. Nazarov 		677–687
On the global hypoellipticity property of a higher-order differential operator
Nguyễn Minh Trí 		687–692
On the continuation of microlocal smoothness of solutions of boundary value problems for a second-order hyperbolic equation
S. E. Pastukhova 		692–699
Analyticity of linear one-parameter Lie–Bäcklund groups
S. S. Titov 		699–702

Short Communications
On the behavior of solutions of a mixed boundary value problem for higher-order quasilinear elliptic equations of divergence type
T. S. Gadzhiev 		703–706
On the Lyapunov stability of the Cauchy problem for linear partial differential systems
S. V. Zhestkov 		706–709
Sufficient conditions for the stability of solutions of some classes of ordinary differential equations in critical cases
Yu. A. Konyaev 		709–712
On the spectrum of ordinary differential pencils
Yu. A. Mamedov 		712–714
A system of nonorthogonal polynomials for constructing a solution of the Riquier problem in a ball for a semiharmonic equation
G. Markhasev 		714–718
On a geometric result in problems of periodic optimization
A. I. Perov, A. A. Tananika 		718–721
Bifurcations and perturbations of an integral “torus-sphere” manifold
I. G. Rozet, V. V. Filinych 		721–723
Solution of a linear partial differential system by the methods of $F$-monogenic functions
N. T. Stel'maschuk, S. B. Penchansky 		724–727
Estimates for and asymptotic behavior of solutions of a two-dimensional boundary value problem for the Helmholtz equation with a coefficient that depends weakly on a variable
S. L. Edelstein 		727–729
Some expansions of arbitrary functions in integrals with respect to functions of a parabolic cylinder
A. I. Moshinskii 		730
 
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