%0 Journal Article %A A. V. Ivanov %T Local estimates of the first derivatives of the solutions of second order quasilinear elliptic equations, and their application to Liouville type theorems %J Zapiski Nauchnykh Seminarov POMI %D 1972 %P 40-50 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1972_30_a3/ %G ru %F ZNSL_1972_30_a3