%0 Journal Article %A V. A. Iskovskikh %T Generators and relations in a two-dimensional Cremona group %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1983 %P 43-48 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1983_5_a10/ %G ru %F VMUMM_1983_5_a10