@article{ETNA_1999__9__a3,
     author = {Marcell\'an, F. and Medem, J.C.},
     title = {$Q$-classical orthogonal polynomials: {A} very classical approach},
     journal = {Electronic transactions on numerical analysis},
     pages = {112--127},
     publisher = {mathdoc},
     volume = {9},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1999__9__a3/}
}