%0 Journal Article %A I. N. Molchanov %T On methods for the solution of second order elliptic equations which economise on the machine store %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1963 %P 720-729 %V 3 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_4_a6/ %G ru %F ZVMMF_1963_3_4_a6