%0 Journal Article %A A. M. Denisov %T Uniqueness of the determination of the nonlinear coefficient of a %J Doklady Akademii Nauk %D 1994 %P 444-445 %V 338 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_338_4_a2/ %G ru %F DAN_1994_338_4_a2