@article{CRMATH_2005__340_11_827_0,
     author = {Marc Chaperon and Santiago L\'opez de Medrano and Jos\'e Lino Samaniego},
     title = {On sub-harmonic bifurcations},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {827--832},
     publisher = {Elsevier},
     volume = {340},
     number = {11},
     year = {2005},
     doi = {10.1016/j.crma.2005.04.017},
     language = {en},
}