%0 Journal Article
%A I. V. Fryazinov
%T Difference schemes for the Poisson equation in polar, cylindrical and spherical coordinate systems
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1971
%P 1219-1228
%V 11
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_5_a9/
%G ru
%F ZVMMF_1971_11_5_a9