@article{RLINA_1977_8_63_3-4_a9,
     author = {Ezeilo, James O.C.},
     title = {Periodic solutions of certain third order differential equations of the non-dissipative type},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali},
     pages = {212--224},
     publisher = {mathdoc},
     volume = {Ser. 8, 63},
     number = {3-4},
     year = {1977},
     zbl = {0411.34054},
     mrnumber = {344556},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLINA_1977_8_63_3-4_a9/}
}