%0 Journal Article %A O. A. Ladyzhenskaya %A N. N. Ural'tseva %T Estimates on the boundary of the domain of first derivatives of functions satisfying an elliptic or a~parabolic inequality %J Informatics and Automation %D 1988 %P 102-125 %V 179 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1988_179_a6/ %G ru %F TRSPY_1988_179_a6