%0 Journal Article %A F. K. Kabdikairov %T On relations in the two-dimensional Cremona group over a nonclosed field.~II %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1991 %P 81-83 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a21/ %G ru %F VMUMM_1991_4_a21