%0 Journal Article
%A V. G. Prikazchikov
%A Zh. P. Allanazarov
%T A scheme of fourth-order accuracy in a spectral problem for an equation with a mixed derivative
%J Differencialʹnye uravneniâ
%D 1989
%P 1250-1255
%V 25
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_7_a20/
%G ru
%F DE_1989_25_7_a20