%0 Journal Article %A Ya. S. Kushitsky %A S. D. Ăˆidel'man %T A multi-dimensional variant of a problem of A.~ N.~Tikhonov %J Doklady Akademii Nauk %D 1988 %P 1056-1059 %V 299 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_299_5_a6/ %G ru %F DAN_1988_299_5_a6