Si dànno condizioni sufficienti che assicurano il carattere oscillatorio delle eventuali soluzioni limitate dall'equazione
@article{RLINA_1976_8_60_3_210_0, author = {David Lowell Lovelady}, title = {Oscillations induced by forcing functions}, journal = {Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti}, volume = {60}, year = {1976}, pages = {210-212}, zbl = {0367.34022}, mrnumber = {0463567}, language = {en}, url = {http://dml.mathdoc.fr/item/RLINA_1976_8_60_3_210_0} }
Lowell Lovelady, David. Oscillations induced by forcing functions. Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti, Tome 60 (1976) pp. 210-212. http://gdmltest.u-ga.fr/item/RLINA_1976_8_60_3_210_0/
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