%0 Journal Article
%A V. G. Boltyanskii
%T Homotopy theory of continuous mappings and of vector fields
%J Informatics and Automation
%D 1955
%P 3-199
%V 47
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1955_47_a0/
%G ru
%F TRSPY_1955_47_a0