@article{VMUMM_1984_1_a2,
     author = {S. I. Khashin},
     title = {Birational automorphisms of the {Veronese} double cone of dimension three},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {13--16},
     year = {1984},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_1_a2/}
}