TY  - JOUR
AU  - Chow, Shui-Nee
AU  - Wang, Duo
TI  - On the monotonicity of the period function of some second order equations
JO  - Časopis pro pěstování matematiky
PY  - 1986
SP  - 14
EP  - 25
VL  - 111
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1986.118260/
DO  - 10.21136/CPM.1986.118260
LA  - en
ID  - 10_21136_CPM_1986_118260
ER  -