TY - JOUR AU - R. F. Safin TI - On the depth and complexity of formulas in some classes of $k$-valued logic JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2000 SP - 65 EP - 68 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2000_6_a15/ LA - ru ID - VMUMM_2000_6_a15 ER -