%0 Journal Article %A A. A. Dosiyev %T A block-grid method of increased accuracy for the solution of the %J Doklady Akademii Nauk %D 1992 %P 628-631 %V 323 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_323_4_a3/ %G ru %F DAN_1992_323_4_a3