Title: Biblio RTF Export
Author: Biblio 7.x

Fonda A, Garrione M. Double resonance with Landesman?Lazer conditions for planar systems of ordinary differential equations. Journal of Differential Equations [Internet]. 2011  ;250:1052 - 1082. Available from: http://www.sciencedirect.com/science/article/pii/S0022039610002901