%0 Journal Article %A V. E. Maiorov %T Multiplicative inequalities for derivatives, and a~priori estimates of smoothness of solutions of nonlinear differential equations %J Sbornik. Mathematics %D 1992 %P 379-392 %V 73 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1992_73_2_a4/ %G en %F SM_1992_73_2_a4