%0 Journal Article %A A. I. Tolstykh %T Nonsymmetric three-point difference schemes of the fourth and fifth order %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1985 %P 1164-1175 %V 25 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_8_a4/ %G ru %F ZVMMF_1985_25_8_a4