TY - JOUR AU - Przemys/law G/orka TI - An overdetermined elliptic problem in a domain with countably rectifiable boundary JO - Colloquium Mathematicum PY - 2007 SP - 7 EP - 14 VL - 107 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm107-1-2/ DO - 10.4064/cm107-1-2 LA - en ID - 10_4064_cm107_1_2 ER -