TY - JOUR AU - B. Lis TI - Particular spectral theory in finite-dimensional spaces JO - Commentationes Mathematicae PY - 1974 SP - 51 EP - 61 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i1.5805/ DO - 10.14708/cm.v18i1.5805 LA - pl ID - 10_14708_cm_v18i1_5805 ER -