%0 Journal Article %A S. G. Mikhlin %T On coordinate systems for the variational difference method %J Doklady Akademii Nauk %D 1971 %P 526-529 %V 200 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_200_3_a5/ %G ru %F DAN_1971_200_3_a5