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@article{PORMA_1961__20_3_114858, author = {Carlitz, L.}, title = {Some polynomials related to the ultraspherical polynomials}, journal = {Portugaliae mathematica}, pages = {127--136}, publisher = {mathdoc}, volume = {20}, number = {3}, year = {1961}, mrnumber = {0138800}, zbl = {0118.06504}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1961__20_3_114858/} }
Carlitz, L. Some polynomials related to the ultraspherical polynomials. Portugaliae mathematica, Tome 20 (1961) no. 3, pp. 127-136. http://geodesic.mathdoc.fr/item/PORMA_1961__20_3_114858/