@article{JRAM_1987__379_152953,
     author = {Klaus Timmerscheidt},
     title = {Mixed {Hodge} theory for unitary local systems.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {152--171},
     publisher = {mathdoc},
     volume = {379},
     year = {1987},
     zbl = {0611.14005},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__379_152953/}
}