TY  - JOUR
AU  - H. W. Pu
TI  - A monotonicity criterion for arbitrary functions
JO  - Colloquium Mathematicum
PY  - 1974
SP  - 289
EP  - 292
VL  - 31
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-31-2-289-292/
DO  - 10.4064/cm-31-2-289-292
LA  - en
ID  - 10_4064_cm_31_2_289_292
ER  -