@article{SM_2003_194_4_a7,
     author = {I. A. Cheltsov},
     title = {Anticanonical models of three-dimensional {Fano} varieties of degree~4},
     journal = {Sbornik. Mathematics},
     pages = {617--640},
     publisher = {mathdoc},
     volume = {194},
     number = {4},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2003_194_4_a7/}
}