Some remarks on an operator equation in a Banach space

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Annales Polonici Mathematici / All issues

Bogdan Rzepecki Annales Polonici Mathematici 37 (1980), 167-174 DOI: 10.4064/ap-37-2-167-174