@article{SIGMA_2018_14_a50,
     author = {Daniel D. Tcheutia and Alta S. Jooste and Wolfram Koepf},
     title = {Quasi-Orthogonality of {Some} {Hypergeometric} and $q${-Hypergeometric} {Polynomials}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a50/}
}