TY - JOUR AU - S. P. Yukna TI - Functional approximations in the theory of lower bounds for circuit complexity JO - Diskretnaya Matematika PY - 1990 SP - 45 EP - 59 VL - 2 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1990_2_2_a3/ LA - ru ID - DM_1990_2_2_a3 ER -