TY - JOUR AU - S. B. Stechkin TI - A~remark on Jackson's theorem JO - Informatics and Automation PY - 1967 SP - 17 EP - 19 VL - 88 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1967_88_a1/ LA - ru ID - TRSPY_1967_88_a1 ER -