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1971, Volume 85(127), Number 1(5)
Regular components of homeomorphisms of the
$n$
-dimensional sphere
S. Kh. Aranson, V. S. Medvedev
3
On a criterion for hypoellipticity
V. S. Fedii
18
The number of closed nonselfintersecting contours on a planar lattice
F. A. Berezin
49
Factorization of matrices depending on a parameter, and elliptic equations in a halfspace
M. A. Shubin
65
Chern classes of ample bundles
V. M. Barenbaum
85
Imbedding of zero-dimensional compacta in
$E^3$
E. V. Sandrakova
98
Solvable just-non-cross varieties of groups
A. Yu. Ol'shanskii
115
Density of Cauchy initial data for solutions of elliptic equations
V. I. Voitinskii
132
Some transversality theorems
S. M. Vishik
140
Supplement to the article “Three-dimensional varieties with rational sections” (vol. 81(123) (1970), 623–633)
B. V. Martynov
157
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