TY - JOUR AU - F. K. Kabdikairov TI - On relations in the two-dimensional Cremona group over a nonclosed field JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1991 SP - 16 EP - 21 IS - 3 UR - http://geodesic.mathdoc.fr/item/VMUMM_1991_3_a3/ LA - ru ID - VMUMM_1991_3_a3 ER -