TY - JOUR AU - I. I. Sharapudinov TI - Limit Ultraspherical Series and Their Approximation Properties JO - Matematičeskie zametki PY - 2013 SP - 295 EP - 309 VL - 94 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_94_2_a11/ LA - ru ID - MZM_2013_94_2_a11 ER -