Factoring the identity operator on a subspace of $l^{∞}_{n}$

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Studia Mathematica / All issues

Piotr Mankiewicz Studia Mathematica 95 (1989), 133-139 DOI: 10.4064/sm-95-2-133-139