@article{1077288814,
author = {Massey, David B.},
title = {Numerical invariants of perverse sheaves},
journal = {Duke Math. J.},
volume = {76},
number = {1},
year = {1994},
pages = { 307-369},
language = {en},
url = {http://dml.mathdoc.fr/item/1077288814}
}
Massey, David B. Numerical invariants of perverse sheaves. Duke Math. J., Tome 76 (1994) no. 1, pp. 307-369. http://gdmltest.u-ga.fr/item/1077288814/