@article{GDZPPN002097702,
title = {A Canonical Form of a System of Microdifferential Equations with Non-Involutory Characteristics and Branching of Singularities.},
journal = {Inventiones mathematicae},
volume = {64},
year = {1981},
pages = {491-525},
zbl = {0493.35083},
url = {http://dml.mathdoc.fr/item/GDZPPN002097702}
}
Ôaku, Toshinori. A Canonical Form of a System of Microdifferential Equations with Non-Involutory Characteristics and Branching of Singularities.. Inventiones mathematicae, Tome 64 (1981) pp. 491-525. http://gdmltest.u-ga.fr/item/GDZPPN002097702/