@article{GDZPPN002103877,
title = {Unipotent variations of mixed Hodge structure.},
journal = {Inventiones mathematicae},
volume = {88},
year = {1987},
pages = {83-124},
zbl = {0622.14007},
url = {http://dml.mathdoc.fr/item/GDZPPN002103877}
}
Hain, R.M.; Zucker, S. Unipotent variations of mixed Hodge structure.. Inventiones mathematicae, Tome 88 (1987) pp. 83-124. http://gdmltest.u-ga.fr/item/GDZPPN002103877/