@article{RLINA_1976_8_61_3-4_a9,
     author = {Chen, Lu-san and Yeh, Cheh-chih},
     title = {Note on distance between zeros of the n-th order nonlinear differential equations},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali},
     pages = {217--221},
     publisher = {mathdoc},
     volume = {Ser. 8, 61},
     number = {3-4},
     year = {1976},
     zbl = {0378.34024},
     mrnumber = {0473333},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLINA_1976_8_61_3-4_a9/}
}