%0 Journal Article %A V. I. Lebedev %T The use of nets for the Sobolev type of equation %J Doklady Akademii Nauk %D 1957 %P 1166-1169 %V 114 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_114_6_a7/ %G ru %F DAN_1957_114_6_a7