%0 Journal Article
%A L. S. Pontryagin
%T Smooth manifolds and their applications in homotopy theory
%J Informatics and Automation
%D 1955
%P 3-139
%V 45
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1955_45_a0/
%G ru
%F TRSPY_1955_45_a0