TY - JOUR AU - Bogdan Rzepecki TI - Some remarks on an operator equation in a Banach space JO - Annales Polonici Mathematici PY - 1980 SP - 167 EP - 174 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-37-2-167-174/ DO - 10.4064/ap-37-2-167-174 LA - en ID - 10_4064_ap_37_2_167_174 ER -