TY  - JOUR
AU  - I. I. Sharapudinov
TI  - Some special series in ultraspherical polynomials and their approximation properties
JO  - Izvestiya. Mathematics 
PY  - 2014
SP  - 1036
EP  - 1059
VL  - 78
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2014_78_5_a8/
LA  - en
ID  - IM2_2014_78_5_a8
ER  -