%0 Journal Article %A A. V. Mikhailovich %T Closed classes generated by symmetric functions in the three-valued logic %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2008 %P 54-57 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2008_4_a10/ %G ru %F VMUMM_2008_4_a10