TY  - JOUR
AU  - J.M. Coron
TI  - Periodic Solutions of a Nonlinear Wave Equation Without Assumption of Monotonicity.
JO  - Mathematische Annalen
PY  - 1983
SP  - 273
EP  - 286
VL  - 262
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1983__262_163706/
ID  - MAN_1983__262_163706
ER  -