%0 Journal Article
%A I. I. Golichev
%T The splitting principle for nonselfadjoint partial differential operators
%J Differencialʹnye uravneniâ
%D 1971
%P 1835-1844
%V 7
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_10_a9/
%G ru
%F DE_1971_7_10_a9