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 Uspekhi Mat. Nauk: Year: Volume: Issue: Page: Find

 Constructive algebras. IA. I. Mal'tsev 3 Divergent Fourier seriesP. L. Ul'yanov 61 Scientific notes and problems Approximation of functions of class $Z_\alpha$ by positive methods of summation of Fourier seriesL. I. Bausov 143 The smallest field in which can be realized all complex representations of a $p$-group of odd orderS. D. Berman 151 The symmetry of solutions in an eigenvalue problemD. A. Bochvar, I. V. Stankevich, A. L. Chistyakov 155 A method of estimating an upper bound of the number of periodic solutions of an autonomous system of two differential equationsM. I. Voilokov 159 Sufficient conditions for asymptotic stability of the point at infinity for the system $\dot x=y-F(x)$, $\dot y=-g(x)$M. I. Voilokov 163 Numerical solution of boundary-value problems for systems of linear ordinary differential equationsS. K. Godunov 171 A remark on measure theoryV. D. Erokhin 175 Almost prime numbersN. I. Klimov 181 Conditions for the equality $D_A=D_{A^*}$ for unbounded operatorsA. V. Kuzhel' 189 Meromorphic solutions of a differential-difference equationA. G. Naftalevich 191 On multiply superharmonic functionsI. E. Ovcharenko 197 The frequency with which the fractional part of an exponential function lies in a given intervalA. G. Postnikov 201 On the flexibility of any part of a flexible convex surfaceL. A. Shor 207 In the Moscow Mathematical Society Meetings of the Moscow Mathematical Society 209 Abstracts of talks, presented to the Presidium of Moscow Mathematical Society and accepted by the Presidium On logarithms of normal positive operatorsP. E. Sobolevskii 212 Generalized functions of several complex variablesI. M. Gel'fand, M. I. Graev 214 Dissipativity of a system of nonlinear differential equations in the largeB. P. Demidovich 216 Perturbation theory for the multidimensional Schrödinger equationV. P. Maslov 217 Mathematical Events in the USSR Ivan Georgievich Petrovskii (photo) Ivan Georgievich Petrovskii (on the occasion of his sixtieth birthday)P. S. Aleksandrov, A. D. Myshkis, O. A. Oleinik 219 Boris Nikolaevich Delone (photo) Boris Nikolaevich Delone (on his seventieth birthday)I. R. Shafarevich 239 Meetings of the Leningrad Mathematical Society 245 Reviews and Bibliography Ghiyāth al-Dīn Jamshīd Mas'ūd al-Kāshī, Key to arithmetic: Treatise on arcs of circles (a translation of the review)E. S. Kennedy 249