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1968, Volume 75(117), Number 1  


Some combinatorial properties of $(0,1)$-matrices
A. O. Gel'fond
3
Maximal depth of a class of $(0,1)$-matrices
V. E. Tarakanov
4
On the word problem in semigroups
V. A. Tartakovskii, P. V. Stender
15
Behavior of the solutions of the equation $\ddot x+p(t)\dot x+q(t)x=0$ in the nonoscillatory case
A. Yu. Levin
39
The Cauchy problem for pluriparabolic differential equations. I
L. R. Volevich, S. G. Gindikin
64
The set of critical values of a functional
S. I. Pokhozhaev
106
On the extrinsic geometry of elementary complete surfaces with nonpositive curvature. II
A. L. Verner
112
Statistically regular systems
V. M. Millionshchikov
140
On the existence of nonisomorphic nilpotent decompositions of nilpotent torsion-free groups
V. N. Lifshits
152
A proof of Selberg's conjecture
D. A. Kazhdan, G. A. Margulis
163
Математический сборник (новая серия) - 1964–1988 Sbornik: Mathematics (from 1967)
 
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