%0 Journal Article
%A V. P. Orlov
%T Weakly degenerate differential equations with an unbounded operator coefficient
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1997
%P 34-41
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1997_1_a5/
%G ru
%F IVM_1997_1_a5