%0 Journal Article
%A V. A. Korobitsyn
%A È. E. Libin
%T On the exact solution of some difference problems
%J Doklady Akademii Nauk
%D 1977
%P 764-767
%V 235
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_235_4_a9/
%G ru
%F DAN_1977_235_4_a9