TY - JOUR AU - A. Alexiewicz AU - Z. Semadeni TI - Some properties of two-norm spaces and a characterization of reflexivity of Banach spaces JO - Studia Mathematica PY - 1960 SP - 115 EP - 132 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-19-2-115-132/ DO - 10.4064/sm-19-2-115-132 LA - en ID - 10_4064_sm_19_2_115_132 ER -