%0 Journal Article
%A O'Regan, Donal
%T Landesman Lazer type results for first order periodic problems
%J Commentationes Mathematicae Universitatis Carolinae
%D 1997
%P 297-308
%V 38
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1997__38_2_a10/
%G en
%F CMUC_1997__38_2_a10