@article{SIGMA_2019_15_a4,
     author = {Walter Van Assche},
     title = {Solution of an {Open} {Problem} about {Two} {Families} of {Orthogonal} {Polynomials}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2019},
     volume = {15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a4/}
}