TY - JOUR AU - Kačur, Jozef TI - On existence of the weak solution for non-linear partial differential equations of elliptic type. II JO - Commentationes Mathematicae Universitatis Carolinae PY - 1972 SP - 211 EP - 225 VL - 13 IS - 2 UR - http://geodesic.mathdoc.fr/item/CMUC_1972_13_2_a1/ LA - en ID - CMUC_1972_13_2_a1 ER -