%0 Journal Article %A Udrea, Gheorghe %T A problem of Diophantos-Fermat and Chebyshev polynomials of the second kind. %J Portugaliae mathematica %D 1995 %P 301-304 %V 52 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1995__52_3_47474/ %G en %F PORMA_1995__52_3_47474