@article{1195518320,
author = {Miyatake, Sadao},
title = {A sharp form of the existence theorem for hyperbolic mixed problems of second order},
journal = {Proc. Japan Acad.},
volume = {52},
number = {10},
year = {1976},
pages = { 207-210},
language = {en},
url = {http://dml.mathdoc.fr/item/1195518320}
}
Miyatake, Sadao. A sharp form of the existence theorem for hyperbolic mixed problems of second order. Proc. Japan Acad., Tome 52 (1976) no. 10, pp. 207-210. http://gdmltest.u-ga.fr/item/1195518320/