TY  - JOUR
AU  - Gray, William J.
TI  - A Fixed-Point Theorem for Commuting Monotone Functions
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 502
EP  - 504
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-057-7/
DO  - 10.4153/CJM-1969-057-7
ID  - 10_4153_CJM_1969_057_7
ER  -