%0 Journal Article %A M. M. Lavrent'ev %A M. V. Klibanov %T A certain inverse problem for an equation of parabolic type %J Differencialʹnye uravneniâ %D 1975 %P 1647-1651 %V 11 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_9_a12/ %G ru %F DE_1975_11_9_a12