%0 Journal Article %A A. I. Prilepko %A D. G. Orlovskii %T Determination of the evolution of a parameter in an abstract parabolic equation %J Differencialʹnye uravneniâ %D 1991 %P 114-120 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_1_a12/ %G ru %F DE_1991_27_1_a12