%0 Journal Article %A N. M. Ivochkina %A O. A. Ladyzhenskaya %T Estimates for first-order derivatives for solutions of some classes of non-totally parabolic equations %J Algebra i analiz %D 1997 %P 109-131 %V 9 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1997_9_6_a4/ %G ru %F AA_1997_9_6_a4