TY - JOUR AU - H. Marcinkowska TI - Differentiability theorem for elliptic equations considered on a compact Riemannian manifold JO - Colloquium Mathematicum PY - 1964 SP - 91 EP - 105 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-12-1-91-105/ DO - 10.4064/cm-12-1-91-105 LA - en ID - 10_4064_cm_12_1_91_105 ER -