TY - JOUR AU - H. Hedenmalm TI - Superalgebras and closed ideals JO - Commentationes Mathematicae PY - 1988 SP - 69 EP - 75 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v28i1.6220/ DO - 10.14708/cm.v28i1.6220 LA - pl ID - 10_14708_cm_v28i1_6220 ER -