TY - JOUR AU - A. V. Mironenko TI - Approximation by the Class of Functions with Bounded Second Derivative JO - Matematičeskie zametki PY - 2008 SP - 583 EP - 594 VL - 84 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2008_84_4_a9/ LA - ru ID - MZM_2008_84_4_a9 ER -