%0 Journal Article %A I. I. Bogdanov %T A commutativity theorem for division semirings %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2004 %P 3-7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2004_3_a0/ %G ru %F VMUMM_2004_3_a0