@article{702289,
     title = {Cauchy's problem in the large for nonlinear hyperbolic equations and for the Korteweg-de Vries equation},
     booktitle = {Equadiff 5},
     series = {GDML\_Books},
     publisher = {BSB B.G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1982},
     pages = {205-208},
     zbl = {0521.35040},
     url = {http://dml.mathdoc.fr/item/702289}
}

Kružhkov, Stanislav N. Cauchy's problem in the large for nonlinear hyperbolic equations and for the Korteweg-de Vries equation, dans Equadiff 5, GDML_Books,  (1982), pp. 205-208. http://gdmltest.u-ga.fr/item/702289/