%0 Journal Article %A V. A. Solonnikov %T On differential properties of weak solutions of quasilinear equations %J Zapiski Nauchnykh Seminarov POMI %D 1974 %P 110-119 %V 39 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1974_39_a8/ %G ru %F ZNSL_1974_39_a8