%0 Journal Article %A V. S. Zakharyan %T On a uniqueness theorem %J Doklady Akademii Nauk %D 1964 %P 1019-1022 %V 154 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_5_a3/ %G ru %F DAN_1964_154_5_a3