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@article{PORMA_1998__55_3_48333, author = {Udrea, Gheorghe}, title = {Chebyshev polynomials and some methods of approximation.}, journal = {Portugaliae mathematica}, pages = {261--269}, publisher = {mathdoc}, volume = {55}, number = {3}, year = {1998}, zbl = {0931.41016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48333/} }
Udrea, Gheorghe. Chebyshev polynomials and some methods of approximation.. Portugaliae mathematica, Tome 55 (1998) no. 3, pp. 261-269. http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48333/