@article{ASNSP_1976_4_3_3_443_0,
     author = {Parenti, C. and Strocchi, F. and Velo, G.},
     title = {A local approach to some non-linear evolution equations of hyperbolic type},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {443--500},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 3},
     number = {3},
     year = {1976},
     mrnumber = {477483},
     zbl = {0332.35040},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1976_4_3_3_443_0/}
}