%0 Journal Article
%A V. S. Vladimirov
%A A. K. Gushchin
%A A. A. Dezin
%A V. M. Millionshchikov
%A L. S. Pontryagin
%T Valentin Petrovich Mikha{\v\i}lov (on the occasion of his fiftieth birthday)
%J Differencialʹnye uravneniâ
%D 1981
%P 757-762
%V 17
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1981_17_4_a24/
%G ru
%F DE_1981_17_4_a24