%0 Journal Article
%A V. A. Efremovich
%A Yu. B. Rudyak
%T On the concept of the Euler characteristic
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1976
%V 31
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1976_31_5_a25/
%G ru
%F RM_1976_31_5_a25