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 1972, Volume 8, Number 12

 The development of national mathematics (on the fiftieth anniversary of Soviet education)A. N. Bogolyubov, I. Z. Shtokalo 2119 Ordinary Differential Equations The inverse problem of spectral analysis for a certain class of problems with a parameter in the boundary conditionsE. A. Baranova 2130 The differentiability of the cost of a differential approach gameV. D. Batukhtin 2140 The convexity of spheres of attainabilityV. I. Blagodatskikh 2149 A certain theorem of EruginI. M. Vul'pe 2156 Continuability of the solutions of functional equations with heredityL. A. Zhivotovskii 2163 The stability and instability of Levinson's centerV. V. Zhikov 2167 Boundary value problems for a nonlinear differential equation with deviating argument of neutral typeG. A. Kamenskii, A. D. Myshkis 2171 A certain boundary value problem on a semi-infinite intervalT. K. Kravchenko, A. I. Yablonskii 2180 A metric problem for Frommer's first discrimination problemR. S. Levitin 2187 Linear dependence of functions along the solutions of systems of differential equations, and systems with algebraic trajectoriesV. I. Mironenko 2197 A criterion for the uniqueness of the trajectory that enters a stationary point in a prescribed directionL. É. Reiziņš, L. A. Bieza 2205 The problem of an algebraic integral in the case of the centerK. S. Sibirskii 2211 The modulus of the Fourier exponents of almost periodic solutionsV. M. Cheresiz 2215 Partial Differential Equations The continuation of generalized solutions of systems of differential equations from a convex domainSh. A. Akhmedov 2220 Solution of one-dimensional linear mixed problems for a system with coefficients constant in timeM. L. Rasulov 2225 A certain problem of optimal control of nonstationary transport processesS. F. Morozov, V. I. Sumin 2235 Short Communications On transversality conditions in the problem of optimization with singular controlS. Ya. Gorokhovik, N. V. Tarasenko 2244 Application of generalized Ljapunov functions to the study of limit cycles on the planeV. P. Zakharov, Yu. V. Malyshev 2248 The local solvability of a boundary value problem for ordinary differential equationsV. I. Zubov 2251 A class of third order differential equations with stationary critical singular pointsN. S. Kolesnikova 2252 A reduction principle for certain strongly nonlinear systems of differential equationsV. N. Monakov 2255 The limit cycles of the equation $u(x+1)du=(-x+ax^2+bxu+cu+du^2)dx$G. S. Rychkov 2257 A quasilinearization method for ordinary differential equations with deviating argumentÈ. Ya. Sentebova 2260 Control of the rotational motion of a solid bodyE. Ya. Smirnov 2264 An effective solution of a certain two-dimensional integral equation with a homogeneous kernel, and its applicationsZ. D. Usmanov 2267 The absence of limit cycles of a certain differential equationL. A. Cherkas, L. I. Zhilevich 2271 On the theory of the first approximation of discrete nonautonomous stabilization systemsA. G. Cheremensky 2274 A remark on the boundedness of the solutions of the differential equation $A_0(t)x^{"}+A_1(t)x'+A_2(t)f(x)=p(t)$P. Sholtes 2277 People of Soviet science Vladimir Ivanovič Krylov (on his seventieth birthday) 2281
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