@article{02216134,
title = {Pseudodifferential parametrices of infinite order for SG-hyperbolic problems.},
journal = {Rendiconti del Seminario Matematico},
volume = {61},
year = {2003},
pages = {411-441},
zbl = {1072.35211},
language = {en},
url = {http://dml.mathdoc.fr/item/02216134}
}
Cappiello, M. Pseudodifferential parametrices of infinite order for SG-hyperbolic problems.. Rendiconti del Seminario Matematico, Tome 61 (2003) pp. 411-441. http://gdmltest.u-ga.fr/item/02216134/