%0 Journal Article %A Nguen Tyong %T Uniform convergence of difference schemes of increased order of accuracy for Poisson's equation %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1980 %P 97-103 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_1_a8/ %G ru %F ZVMMF_1980_20_1_a8