TY - JOUR AU - A. V. Andrianov TI - An analog of the Jackson--Nikol'skii theorem on the approximation by superpositions of sigmoidal functions JO - Matematičeskie zametki PY - 1996 SP - 915 EP - 918 VL - 59 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_59_6_a12/ LA - ru ID - MZM_1996_59_6_a12 ER -