TY - JOUR AU - Charles B. Morrey jr. TI - Second Order Elliptic Equations in Several Variables and Hölder Continuity. JO - Mathematische Zeitschrift PY - 1959 SP - 146 EP - 164 VL - 72 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1959__72_183602/ ID - MZ_1959__72_183602 ER -