DEHERI GM. DVORETZKY-ROGERS THEOREM FOR SEQUENCE SPACES WITH $\sigma\mu$-TOPOLOGY. Tamkang J. Math. [Internet]. 1997 Dec. 1 [cited 2025 Jan. 4];28(4):265-70. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4303