%0 Journal Article
%A A. V. Chernavskii
%T Isotopy of elements and spheres in $n$-dimensional space with $k>2/3$ $n-1$
%J Doklady Akademii Nauk
%D 1964
%P 62-65
%V 158
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_158_1_a14/
%G ru
%F DAN_1964_158_1_a14