%0 Journal Article
%A A. N. Kochubei
%T The expansion in root vectors of abstract differential operators
%J Differencialʹnye uravneniâ
%D 1975
%P 1341-1342
%V 11
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_7_a21/
%G ru
%F DE_1975_11_7_a21