%0 Journal Article
%A Henri Berestycki
%A Luca Rossi
%T On the principal eigenvalue of elliptic operators in $\R^N$ and applications
%J Journal of the European Mathematical Society
%D 2006
%P 195-215
%V 8
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4171/jems/47/
%R 10.4171/jems/47
%F JEMS_2006_8_2_a5