@article{1250523072,
author = {Nakaoka, Akira},
title = {On uniqueness of analytic solution for first order partial differential equations with degenerate principal symbols},
journal = {J. Math. Kyoto Univ.},
volume = {15},
number = {2},
year = {1975},
pages = { 401-421},
language = {en},
url = {http://dml.mathdoc.fr/item/1250523072}
}
Nakaoka, Akira. On uniqueness of analytic solution for first order partial differential equations with degenerate principal symbols. J. Math. Kyoto Univ., Tome 15 (1975) no. 2, pp. 401-421. http://gdmltest.u-ga.fr/item/1250523072/