Sid Ahmed OAM. ON THE JOINT (m, q)-PARTIAL ISOMETRIES AND THE JOINT m- INVERTIBLE TUPLES OF COMMUTING OPERATORS ON A HILBERT SPACE. IJPAM [Internet]. 2018 Jul. 31 [cited 2026 Oct. 7];40:438-63. Available from: https://journals.uniurb.it/index.php/ijpam/article/view/7005