@article{1195518213,
author = {Kubota, K\^oji},
title = {A characterization of $L^2$-well posedness for iterations of hyperbolic mixed problems of second order},
journal = {Proc. Japan Acad.},
volume = {52},
number = {10},
year = {1976},
pages = { 492-495},
language = {en},
url = {http://dml.mathdoc.fr/item/1195518213}
}
Kubota, Kôji. A characterization of $L^2$-well posedness for iterations of hyperbolic mixed problems of second order. Proc. Japan Acad., Tome 52 (1976) no. 10, pp. 492-495. http://gdmltest.u-ga.fr/item/1195518213/