@article{1195518757,
author = {Wakabayashi, Seiichiro},
title = {Singularities of the Riemann functions of hyperbolic mixed problems in a quarter-space},
journal = {Proc. Japan Acad.},
volume = {50},
number = {1},
year = {1974},
pages = { 821-825},
language = {en},
url = {http://dml.mathdoc.fr/item/1195518757}
}
Wakabayashi, Seiichiro. Singularities of the Riemann functions of hyperbolic mixed problems in a quarter-space. Proc. Japan Acad., Tome 50 (1974) no. 1, pp. 821-825. http://gdmltest.u-ga.fr/item/1195518757/