%0 Journal Article %A A. K. Boyarchuk %T Homogeneous difference schemes on irregular nets for a system of differential equations of fourth order with discontinuous coefficients %J Differencialʹnye uravneniâ %D 1966 %P 1474-1483 %V 2 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1966_2_11_a7/ %G ru %F DE_1966_2_11_a7