TY  - JOUR
AU  - Wong, Chi Song
TI  - Fixed Point Theorems for Point-to-Set Mappings
JO  - Canadian mathematical bulletin
PY  - 1974
SP  - 581
EP  - 586
VL  - 17
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-104-2/
DO  - 10.4153/CMB-1974-104-2
ID  - 10_4153_CMB_1974_104_2
ER  -