TY - JOUR AU - J. Macura AU - J. Ĺšladkowska TI - On functions satisfying more than one equation of Schiffer type JO - Annales Polonici Mathematici PY - 1993 SP - 237 EP - 252 VL - 58 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-58-3-237-252/ DO - 10.4064/ap-58-3-237-252 LA - en ID - 10_4064_ap_58_3_237_252 ER -