Geodesic

Tome 16 (1961) no. 3

Sommaire

Divergent Fourier series
p. 1-75
Constructive algebras.~I
p. 77-129
Ivan Georgievich Petrovskii (on the occasion of his sixtieth birthday)
p. 131-149
Boris Nikolaevich Delone (on his seventieth birthday)
p. 151-156
Approximation of functions of class $Z_\alpha$ by positive methods of summation of Fourier series
The smallest field in which can be realized all complex representations of a~$p$-group of odd order
The symmetry of solutions in an eigenvalue problem
A~method of estimating an upper bound of the number of periodic solutions of an autonomous system of two differential equations
Sufficient conditions for asymptotic stability of the point at infinity for the system $\dot x=y-F(x)$, $\dot y=-g(x)$
Numerical solution of boundary-value problems for systems of linear ordinary differential equations
A~remark on measure theory
Almost prime numbers
Conditions for the equality $D_A=D_{A^*}$ for unbounded operators
Meromorphic solutions of a~differential-difference equation
On multiply superharmonic functions
The frequency with which the fractional part of an exponential function lies in a~given interval
On the flexibility of any part of a~flexible convex surface
Meetings of the Moscow Mathematical Society
On logarithms of normal positive operators
Generalized functions of several complex variables
Dissipativity of a system of nonlinear differential equations in the large
Perturbation theory for the multidimensional Schr\"odinger equation
Ivan Georgievich Petrovskii (photo)
Boris Nikolaevich Delone (photo)
Meetings of the Leningrad Mathematical Society
Ghiy\=ath al-D\=\i n Jamsh\=\i d Mas'\=ud al-K\=ash\=\i,