@article{BUMI_1961_3_16_3_a0,
     author = {Singhai, B. C.},
     title = {On the {Ces\`aro} summability of the ultraspherical series.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {207--217},
     publisher = {mathdoc},
     volume = {Ser. 3, 16},
     number = {3},
     year = {1961},
     zbl = {0104.29001},
     mrnumber = {132945},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1961_3_16_3_a0/}
}