%0 Journal Article
%A Peter Hess
%T On the Principal Eigenvalue of a Second Order Linear Elliptic Problem with an Indefinite Weight Function.
%J Mathematische Zeitschrift
%D 1982
%P 237-240
%V 179
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1982__179_173141/
%F MZ_1982__179_173141