@article{PORMA_1995__52_4_47498,
     author = {Udrea, Gheorghe},
     title = {Catalan's identity and {Chebyshev} polynomials of the second kind.},
     journal = {Portugaliae mathematica},
     pages = {391--397},
     publisher = {mathdoc},
     volume = {52},
     number = {4},
     year = {1995},
     zbl = {0846.11014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1995__52_4_47498/}
}