TY - JOUR AU - T. S. Mardvilko TI - Relationships between the best uniform polynomial approximations of functions and their even and odd prolongations JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2023 SP - 47 EP - 52 VL - 229 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2023_229_a5/ LA - ru ID - INTO_2023_229_a5 ER -