%0 Journal Article %A G. G. Kazaryan %T Inequalities for differential polynomials with variable coefficients %J Differencialʹnye uravneniâ %D 1979 %P 1468-1477 %V 15 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_8_a12/ %G ru %F DE_1979_15_8_a12