%0 Journal Article %A Joseph Steenbrink %A Steven Zucker %T Variation of mixed Hodge structure. I. %J Inventiones mathematicae %D 1985 %P 489-542 %V 80 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1985__80_143242/ %F IM_1985__80_143242