@article{RLIN_1994_9_5_3_a2,
     author = {Iannelli, Angela and Prouse, Giovanni and Veneziani, Alessandro},
     title = {On a nonlinear equation of the vibrating string},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {223--228},
     publisher = {mathdoc},
     volume = {Ser. 9, 5},
     number = {3},
     year = {1994},
     zbl = {0824.35076},
     mrnumber = {1371099},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLIN_1994_9_5_3_a2/}
}