TY  - BOOK
AU  - Berestycki,Henri
AU  - Coron,Jean Michel
AU  - Ekeland,Ivar
ED  - Variational Methods Conference
TI  - Variational Methods: Proceedings of a Conference. Paris, June 1988 
SN  - 0817634525
PY  - 1990///
CY  - Boston
PB  - Birkhauser Verlag
N1  - bibliogr
ER  -