@article{10_4171_dm_174,
     author = {Ekaterina Amerik},
     title = {Some remarks on morphisms between {Fano} threefolds},
     journal = {Documenta mathematica},
     pages = {471--486},
     year = {2004},
     volume = {9},
     doi = {10.4171/dm/174},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/174/}
}