L'articolo contiene teoremi di confronto per un sistema accoppiato di disequazioni differenziali iperboliche singolari nel caso in cui i coefficienti di accoppiamento non dipendono dal tempo.
@article{RLINA_1979_8_66_4_250_0, author = {C.Y. Chan and Eutiquio C. Young}, title = {Comparison theorems for a coupled system of singular hyperbolic differential inequalities. I. Time-independent uncoupling coefficients}, journal = {Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti}, volume = {66}, year = {1979}, pages = {250-254}, zbl = {0472.35009}, language = {en}, url = {http://dml.mathdoc.fr/item/RLINA_1979_8_66_4_250_0} }
Chan, C.Y.; Young, Eutiquio C. Comparison theorems for a coupled system of singular hyperbolic differential inequalities. I. Time-independent uncoupling coefficients. Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti, Tome 66 (1979) pp. 250-254. http://gdmltest.u-ga.fr/item/RLINA_1979_8_66_4_250_0/
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