TY - JOUR AU - Lange, Ridgley AU - Wang, Shengwang TI - Universal notions characterizing spectral decompositions JO - Glasgow mathematical journal PY - 1992 SP - 109 EP - 116 VL - 34 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008594/ DO - 10.1017/S0017089500008594 ID - 10_1017_S0017089500008594 ER -