TY - JOUR AU - Nguyen To Nhu TI - $P^λ$-spaces and $L^λ$-spaces JO - Colloquium Mathematicum PY - 1979 SP - 67 EP - 71 VL - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-41-1-67-71/ DO - 10.4064/cm-41-1-67-71 LA - en ID - 10_4064_cm_41_1_67_71 ER -