%0 Journal Article %A Gavrilov, Lubomir %A Iliev, Iliya D. %T Perturbations of quadratic Hamiltonian two-saddle cycles %J Annales de l'I.H.P. Analyse non linéaire %D 2015 %P 307-324 %V 32 %N 2 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2013.12.001/ %R 10.1016/j.anihpc.2013.12.001 %G en %F AIHPC_2015__32_2_307_0