%0 Journal Article
%A I. I. Golichev
%T On some differential equations in Hilbert space
%J Doklady Akademii Nauk
%D 1974
%P 989-992
%V 214
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_214_5_a1/
%G ru
%F DAN_1974_214_5_a1