%0 Journal Article
%A V. S. Vladimirov
%A V. V. Zharinov
%T Closed forms associated with linear differential operators
%J Differencialʹnye uravneniâ
%D 1980
%P 845-867
%V 16
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1980_16_5_a5/
%G ru
%F DE_1980_16_5_a5