TY - JOUR AU - A. V. Mikhailovich TI - Closed classes of the three-valued logic generated by systems containing symmetric functions JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2012 SP - 58 EP - 62 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2012_1_a9/ LA - ru ID - VMUMM_2012_1_a9 ER -