%0 Journal Article
%A G. M. Henkin
%T Proof of non-isomorphism of spaces of smooth functions on a segment and on a square
%J Doklady Akademii Nauk
%D 1967
%P 48-51
%V 172
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a11/
%G ru
%F DAN_1967_172_1_a11