@article{1259943862,
author = {IKAWA, Mitsuru},
title = {Mixed problems for hyperbolic equations of second order},
journal = {J. Math. Soc. Japan},
volume = {20},
number = {4},
year = {1968},
pages = { 580-608},
language = {en},
url = {http://dml.mathdoc.fr/item/1259943862}
}
IKAWA, Mitsuru. Mixed problems for hyperbolic equations of second order. J. Math. Soc. Japan, Tome 20 (1968) no. 4, pp. 580-608. http://gdmltest.u-ga.fr/item/1259943862/