RT Journal Article T1 Strict singularity and co-singularity for symmetric sequence spaces A1 Hernández, Francisco L. A1 Sánchez de los Reyes, Víctor Manuel A1 Semenov, Evgeny M. PB Seminario matematico e fisico, Unniversità di Modena SN 0041-8986 YR 2003 FD 2003 LK https://hdl.handle.net/20.500.14352/58742 UL https://hdl.handle.net/20.500.14352/58742 LA eng NO DGES NO RFFI NO Universities of Russia DS Docta Complutense RD 11 abr 2025