%0 Journal Article %A Čžao Čžén %T The solution of Dirichlet problem on a plane for second order elliptic type of equation by expansion into series %J Doklady Akademii Nauk %D 1960 %P 781-784 %V 132 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a12/ %G ru %F DAN_1960_132_4_a12