@article{RM_1985_40_5_a7,
     author = {V. A. Iskovskikh},
     title = {Proof of a~theorem on relations in the two-dimensional {Cremona} group},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {231--232},
     publisher = {mathdoc},
     volume = {40},
     number = {5},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1985_40_5_a7/}
}