%0 Journal Article
%A A. D. Lyashko
%A M. M. Karchevskii
%T Investigation of difference schemes for nonlinear equations with the help of a~variational method
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1967
%P 59-65
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1967_3_a8/
%G ru
%F IVM_1967_3_a8