%0 Journal Article
%A S. A. Grishin
%A V. I. Utkin
%T On extending the definition of discontinuous systems
%J Differencialʹnye uravneniâ
%D 1980
%P 227-235
%V 16
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1980_16_2_a4/
%G ru
%F DE_1980_16_2_a4