@article{SIGMA_2018_14_a71,
     author = {Mourad E. H. Ismail and Erik Koelink and Pablo Rom\'an},
     title = {Generalized {Burchnall-Type} {Identities} for {Orthogonal} {Polynomials} and {Expansions}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a71/}
}