@article{JRAM_1972__255_151238,
     author = {Rudolf Lidl and Ch. Wells},
     title = {Chebyshev polynomials in several variables.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {104--111},
     publisher = {mathdoc},
     volume = {255},
     year = {1972},
     zbl = {0238.12009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1972__255_151238/}
}