@article{PORMA_1966__25_1_114974,
     author = {Chatterjea, S.K.},
     title = {On the arrangement of coefficients of ultraspherical polynomials},
     journal = {Portugaliae mathematica},
     pages = {47--52},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1966},
     mrnumber = {0212229},
     zbl = {0156.07501},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1966__25_1_114974/}
}