%0 Journal Article
%A A. L. Krylov
%T Difference approximation to differential operators of mathematical physics
%J Doklady Akademii Nauk
%D 1968
%P 535-538
%V 178
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a7/
%G ru
%F DAN_1968_178_3_a7