@article{1195525207,
author = {Nagumo, Mitio},
title = {On linear hyperbolic system of partial differential equations in the whole space},
journal = {Proc. Japan Acad.},
volume = {32},
number = {9},
year = {1956},
pages = { 703-706},
language = {en},
url = {http://dml.mathdoc.fr/item/1195525207}
}
Nagumo, Mitio. On linear hyperbolic system of partial differential equations in the whole space. Proc. Japan Acad., Tome 32 (1956) no. 9, pp. 703-706. http://gdmltest.u-ga.fr/item/1195525207/