TY - JOUR AU - Wong, James S. W. TI - Generalizations of the Converse of the Contraction Mapping Principle JO - Canadian journal of mathematics PY - 1966 SP - 1095 EP - 1104 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-110-1/ DO - 10.4153/CJM-1966-110-1 ID - 10_4153_CJM_1966_110_1 ER -