%0 Journal Article %A V. P. Il'in %T Conditions of validity of inequalities between $L_{p}$-norms of partial derivatives of functions of several variables %J Informatics and Automation %D 1968 %P 205-242 %V 96 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1968_96_a16/ %G ru %F TRSPY_1968_96_a16