@article{10_21136_CMJ_1971_101054,
     author = {Pandey, G. S.},
     title = {On the absolute {Ces\`aro} summability of the ultraspherical series},
     journal = {Czechoslovak Mathematical Journal},
     pages = {525--534},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {1971},
     doi = {10.21136/CMJ.1971.101054},
     mrnumber = {0288510},
     zbl = {0223.42023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101054/}
}