%0 Journal Article %A B. M. Budak %A A. D. Iskenderov %T A class of inverse boundary value problems with unknown coefficients %J Doklady Akademii Nauk %D 1967 %P 20-23 %V 176 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_176_1_a3/ %G ru %F DAN_1967_176_1_a3