TY - JOUR AU - E. D. Livshits TI - On Almost-Best Approximation by Piecewise Polynomial Functions in the Space $C[0,1]$ JO - Matematičeskie zametki PY - 2005 SP - 629 EP - 633 VL - 78 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2005_78_4_a15/ LA - ru ID - MZM_2005_78_4_a15 ER -