%0 Journal Article %A I. V. Tikhonov %A Yu. S. Èidel'man %T The unique solvability of a two-point inverse problem for an abstract differential equation with an unknown parameter %J Differencialʹnye uravneniâ %D 2000 %P 1132-1133 %V 36 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2000_36_8_a17/ %G ru %F DE_2000_36_8_a17