TY - JOUR AU - S. N. Preobrazhenskii TI - Periodic Boolean functions and a lower bound for the complexity of operators JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2003 SP - 25 EP - 28 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2003_2_a5/ LA - ru ID - VMUMM_2003_2_a5 ER -