TY - JOUR AU - I. I. Sharapudinov TI - Mixed series in ultraspherical polynomials and JO - Sbornik. Mathematics PY - 2003 SP - 423 EP - 456 VL - 194 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2003_194_3_a5/ LA - en ID - SM_2003_194_3_a5 ER -