%0 Journal Article %A I. M. Polishchuk %T Construction of solutions of Dirichlet and Neumann problems for an unclosed surface %J Doklady Akademii Nauk %D 1970 %P 59-62 %V 192 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_192_1_a14/ %G ru %F DAN_1970_192_1_a14