%0 Journal Article %A V. I. Sumin %T Stability of the existence of a global solution to the first boundary value problem for a controllable parabolic equation %J Differencialʹnye uravneniâ %D 1986 %P 1587-1595 %V 22 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_9_a13/ %G ru %F DE_1986_22_9_a13