@article{SIGMA_2018_14_a23,
     author = {\'Oscar Ciaurri and Judit M{\'\i}nguez},
     title = {Fourier {Series} of {Gegenbauer{\textendash}Sobolev} {Polynomials}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a23/}
}