@incollection{AST_2003__286__151_0,
     author = {Bernard, Patrick and Grotta Ragazzo, Clodoaldo and Santoro Salom\~ao, Pedro A.},
     title = {Homoclinic orbits near saddle-center fixed points of {Hamiltonian} systems with two degrees of freedom},
     booktitle = {Geometric methods in dynamics (I) : Volume in honor of Jacob Palis},
     editor = {de Melo, Wellington and Viana, Marcelo and Yoccoz, Jean-Christophe},
     series = {Ast\'erisque},
     pages = {151--165},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {286},
     year = {2003},
     mrnumber = {2052300},
     zbl = {1044.37044},
     language = {en},
     url = {http://archive.numdam.org/item/AST_2003__286__151_0/}
}