%0 Journal Article %A I. I. Bogdanov %T Additive structure of divigion semirings %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2004 %P 45-47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2004_1_a8/ %G ru %F VMUMM_2004_1_a8