@article{SM_1990_66_1_a14,
     author = {V. A. Iskovskikh},
     title = {Double projection from a~line on {Fano} threefolds of the first kind},
     journal = {Sbornik. Mathematics},
     pages = {265--284},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1990_66_1_a14/}
}