@article{RLINA_1977_8_62_3_a6,
     author = {Chen, Lu-San and Yeh, Cheh-Chih},
     title = {Comparison theorems and integrability of nonoscillatory solutions of n-th order functional differential equations},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali},
     pages = {321--324},
     publisher = {mathdoc},
     volume = {Ser. 8, 62},
     number = {3},
     year = {1977},
     zbl = {0376.34019},
     mrnumber = {0497654},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLINA_1977_8_62_3_a6/}
}