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@article{PORMA_1995__52_3_47474, author = {Udrea, Gheorghe}, title = {A problem of {Diophantos-Fermat} and {Chebyshev} polynomials of the second kind.}, journal = {Portugaliae mathematica}, pages = {301--304}, publisher = {mathdoc}, volume = {52}, number = {3}, year = {1995}, zbl = {0844.11013}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1995__52_3_47474/} }
Udrea, Gheorghe. A problem of Diophantos-Fermat and Chebyshev polynomials of the second kind.. Portugaliae mathematica, Tome 52 (1995) no. 3, pp. 301-304. http://geodesic.mathdoc.fr/item/PORMA_1995__52_3_47474/