TY  - JOUR
AU  - R. Chouikha
AU  - F. Cuvelier
TI  - Remarks on some monotonicity conditions for the period function
JO  - Applicationes Mathematicae
PY  - 1999
SP  - 243
EP  - 252
VL  - 26
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/am-26-3-243-252/
DO  - 10.4064/am-26-3-243-252
LA  - en
ID  - 10_4064_am_26_3_243_252
ER  -