Si dà una condizione necessaria perché le soluzioni di un'equazione differenziale funzionale non lineare di ordine n, con argomento ritardato, siano nonoscillatorie e limitate.
@article{RLINA_1977_8_62_4_459_0,
author = {Lu-San Chen and Cheh-Chih Yeh},
title = {Remark on nonoscillatory solution of nonlinear n-th order functional differential equation with deviating arguments},
journal = {Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti},
volume = {62},
year = {1977},
pages = {459-462},
zbl = {0375.34045},
mrnumber = {0492718},
language = {en},
url = {http://dml.mathdoc.fr/item/RLINA_1977_8_62_4_459_0}
}
Chen, Lu-San; Yeh, Cheh-Chih. Remark on nonoscillatory solution of nonlinear n-th order functional differential equation with deviating arguments. Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti, Tome 62 (1977) pp. 459-462. http://gdmltest.u-ga.fr/item/RLINA_1977_8_62_4_459_0/
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