%0 Journal Article
%A O'Regan, Donal
%T Differential equations at resonance
%J Commentationes Mathematicae Universitatis Carolinae
%D 1995
%P 673-694
%V 36
%N 4
%U http://geodesic.mathdoc.fr/item/CMUC_1995_36_4_a5/
%G en
%F CMUC_1995_36_4_a5