TY - JOUR AU - A. Sołtysiak TI - On Banach algebras with closed set of algebraic elements JO - Commentationes Mathematicae PY - 1978 SP - 479 EP - 484 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v20i2.5921/ DO - 10.14708/cm.v20i2.5921 LA - pl ID - 10_14708_cm_v20i2_5921 ER -