%0 Journal Article %A N. Ya. Beznoshchenko %T Sufficient conditions for the existence of a solution to problems of determining the coefficients multiplying the highest derivatives of a parabolic equation %J Differencialʹnye uravneniâ %D 1983 %P 1908-1915 %V 19 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_11_a11/ %G ru %F DE_1983_19_11_a11