%0 Journal Article
%A Peter Hess
%T A Remark on the Preceding paper of Fucik and Krbec.
%J Mathematische Zeitschrift
%D 1977
%P 139-142
%V 155
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1977__155_172552/
%F MZ_1977__155_172552