@article{UFA_2021_13_2_a1,
     author = {B. S. Bychkov and G. B. Shabat},
     title = {On generalizations of {Chebyshev} polynomials and {Catalan} numbers},
     journal = {Ufa mathematical journal},
     pages = {8--14},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2021_13_2_a1/}
}