%0 Journal Article %A Yu. V. Obnosov %T Solution of a problem of Markushevich in a class of doubly %J Doklady Akademii Nauk %D 1991 %P 1125-1127 %V 319 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_5_a21/ %G ru %F DAN_1991_319_5_a21