TY - JOUR AU - L. Nirenberg TI - On nonlinear elliptic partial differential equations and H\"older continuity JO - Matematika PY - 1959 SP - 9 EP - 56 VL - 3 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1959_3_3_a1/ LA - ru ID - MAT_1959_3_3_a1 ER -