TY - JOUR AU - I. Singer TI - Basic sequences and reflexivity of Banach spaces JO - Studia Mathematica PY - 1961 SP - 351 EP - 369 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-21-3-351-369/ DO - 10.4064/sm-21-3-351-369 LA - en ID - 10_4064_sm_21_3_351_369 ER -