%0 Journal Article %A A. K. Ratyni %T Conditions for well-posedness of the problem of determining the matrix of coefficients multiplying the highest derivatives of a parabolic equation %J Differencialʹnye uravneniâ %D 1992 %P 1419-1426 %V 28 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_8_a16/ %G ru %F DE_1992_28_8_a16