@article{SIGMA_2012_8_a66,
     author = {Huiyuan Li and Jiachang Sun and Yuan Xu},
     title = {Discrete {Fourier} analysis and {Chebyshev} polynomials with $G_2$ group},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2012},
     volume = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a66/}
}