@article{BUMI_1959_3_14_1_a1,
     author = {Carlitz, Leonard},
     title = {A generating function for the product of two ultraspherical  polynomials.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {6--9},
     publisher = {mathdoc},
     volume = {Ser. 3, 14},
     number = {1},
     year = {1959},
     zbl = {0085.06102},
     mrnumber = {107729},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1959_3_14_1_a1/}
}