@article{RM_1985_40_6_a12,
     author = {B. \`E. Kunyavskii and A. N. Skorobogatov and M. A. Tsfasman},
     title = {The combinatorics and geometry of del {Pezzo} surfaces of degree four},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {131--132},
     publisher = {mathdoc},
     volume = {40},
     number = {6},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1985_40_6_a12/}
}