TY - JOUR AU - Wong, James C. S. TI - Fixed Point Theorems for Measurable Semigroups of Operations JO - Canadian journal of mathematics PY - 1992 SP - 652 EP - 664 VL - 44 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-039-4/ DO - 10.4153/CJM-1992-039-4 ID - 10_4153_CJM_1992_039_4 ER -