TY  - JOUR
AU  - Henri Berestycki
AU  - Luca Rossi
TI  - On the principal eigenvalue of elliptic operators in $\R^N$ and applications
JO  - Journal of the European Mathematical Society
PY  - 2006
SP  - 195
EP  - 215
VL  - 8
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4171/jems/47/
DO  - 10.4171/jems/47
ID  - JEMS_2006_8_2_a5
ER  -