@article{IM2_1981_16_2_a7,
     author = {V. V. Shokurov},
     title = {The study of the homology of {Kuga} varieties},
     journal = {Izvestiya. Mathematics},
     pages = {399--418},
     year = {1981},
     volume = {16},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1981_16_2_a7/}
}