%0 Journal Article
%A Aizicovici, Sergiu
%A Papageorgiou, Nikolaos S.
%A Staicu, Vasile
%T Positive solutions for parametric nonlinear periodic problems with competing nonlinearities
%J Electronic Journal of Differential Equations
%D 2015
%V 2015
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a88/
%G en
%F EJDE_2015__2015__a88