%0 Journal Article %A A. V. Ivanov %T Local estimates of the maximum modulus of the first derivatives of the solutions of quasilinear nonuniformly elliptic and nonuniformly parabolic equations and of systems of general form %J Informatics and Automation %D 1970 %P 45-64 %V 110 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1970_110_a3/ %G ru %F TRSPY_1970_110_a3