%0 Journal Article %A V. I. Lebedev %T Difference analogues of orthogonal decompositions, basic differential operators and some boundary problems of mathematical physics. II %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1964 %P 649-659 %V 4 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1964_4_4_a2/ %G ru %F ZVMMF_1964_4_4_a2