Uspekhi Mat. Nauk, 1957, Volume 12, Issue 6(78)

JOURNALS // Uspekhi Matematicheskikh Nauk // Archive

1957, Volume 12, Issue 6(78)

	Forty years of Soviet mathematics	3
	The Moscow mathematical society P. S. Aleksandrov, O. N. Golovin	9
	Mathematical sessions and conferences in the USSR A. F. Lapko, L. A. Lyusternik	47

Scientific notes and problems
	The Banach mean on groups G. M. Adel'son-Vel'skii, Yu. A. Shreider	131
	On a generating function for Jacobi polynomials N. Ya. Vilenkin	137
	Reducible systems of difference equations and stability of their solutions P. I. Koval'	143
	A new proof of a theorem of V. A. Markov using a theorem of Sturm F. Constantinescu	147
	On motions in semi-reducible Riemann spaces G. I. Kruchkovich	149
	On the reduction of a linear differential equation with constant coefficients to a system of equations of first order V. P. Mikhailov	157
	On the mutual relation between the integral of Denjoy in the narrow and in the wide sense I. P. Natanson, G. I. Natanson	161
	On the uniqueness of the generalized solution of the Cauchy problem for a non-linear system of equations occurring in mechanics O. A. Oleinik	169
	On complete lattices represented by sets I. V. Stelletskii	177
	Geometric interpretation of the concept of ellipticity B. V. Shabat	181
	On classes of functions of the algebra of logic admitting a simple schematic realization S. V. Yablonskii	189

Mathematical Events in the USSR
	Vladimir Ivanovich Smirnov (photo)
	Vladimir Ivanovich Smirnov (on the seventieth anniversary of his birth) P. S. Aleksandrov, I. N. Vekua, M. V. Keldysh, M. A. Lavrent'ev	197
	Meetings of the Town's Mathematical Seminar in Leningrad	207
	The First Meeting of Mathematicians of Ukraine B. V. Gnedenko	215