TY - JOUR AU - V. A. Solonnikov TI - On differential properties of weak solutions of quasilinear equations JO - Zapiski Nauchnykh Seminarov POMI PY - 1974 SP - 110 EP - 119 VL - 39 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1974_39_a8/ LA - ru ID - ZNSL_1974_39_a8 ER -