%0 Journal Article
%A I. V. Mel'nikova
%T The family $M$, $N$ of operator functions and second-order equations in Banach space
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1985
%P 45-52
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1985_2_a5/
%G ru
%F IVM_1985_2_a5