%0 Journal Article %A Z. D. Usmanov %T A boundary value problem for generalized analytic functions with a fixed singular point %J Doklady Akademii Nauk %D 1971 %P 288-291 %V 197 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_197_2_a10/ %G ru %F DAN_1971_197_2_a10