%0 Journal Article %A A. N. Tikhonov %A A. A. Samarskii %T Homogeneous difference schemes of high order accuracy %J Doklady Akademii Nauk %D 1960 %P 514-517 %V 131 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_3_a12/ %G ru %F DAN_1960_131_3_a12