@article{1077308009,
author = {Mathieu, Olivier},
title = {Filtrations of $B$ -modules},
journal = {Duke Math. J.},
volume = {58},
number = {1},
year = {1989},
pages = { 421-442},
language = {en},
url = {http://dml.mathdoc.fr/item/1077308009}
}
Mathieu, Olivier. Filtrations of $B$ -modules. Duke Math. J., Tome 58 (1989) no. 1, pp. 421-442. http://gdmltest.u-ga.fr/item/1077308009/