%0 Journal Article %A G. P. Astrakhantsev %T A finite difference method for solving the third boundary value problem for elliptic and parabolic equations in an arbitrary region. Iterative solution of finite difference equations. I %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1971 %P 105-120 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_1_a10/ %G ru %F ZVMMF_1971_11_1_a10