%0 Journal Article
%A T. A. Osechkina
%T Unique solvability and sign constancy of the Green function of a~periodic boundary value problem for a~linear equation with deviating argument
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1993
%P 86-94
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1993_5_a9/
%G ru
%F IVM_1993_5_a9