@article{10_4171_dm_28,
     author = {Ekaterina Amerik},
     title = {Maps onto certain {Fano} threefolds},
     journal = {Documenta mathematica},
     pages = {195--211},
     year = {1997},
     volume = {2},
     doi = {10.4171/dm/28},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/28/}
}