@article{IM2_2005_69_2_a4,
     author = {V. V. Przyjalkowski and I. A. Cheltsov and K. A. Shramov},
     title = {Hyperelliptic and trigonal {Fano} threefolds},
     journal = {Izvestiya. Mathematics },
     pages = {365--421},
     publisher = {mathdoc},
     volume = {69},
     number = {2},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2005_69_2_a4/}
}