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@article{MS2_1954__2_165553, author = {R.A. RANKIN}, title = {Chebyshev polynomials and the modulary group of level p}, journal = {Mathematica Scandinavica}, pages = {315--326}, publisher = {mathdoc}, volume = {2}, year = {1954}, zbl = {0057.28203}, url = {http://geodesic.mathdoc.fr/item/MS2_1954__2_165553/} }
R.A. RANKIN. Chebyshev polynomials and the modulary group of level p. Mathematica Scandinavica, Tome 2 (1954), pp. 315-326. http://geodesic.mathdoc.fr/item/MS2_1954__2_165553/