Koelink, E. . e., Koelink, E., & Assche, W. v. (2003). Orthogonal polynomials and special functions: Leuven 2002. Springer.

Koelink, Erik ed, Erik Koelink, and Walter van Assche. Orthogonal Polynomials and Special Functions: Leuven 2002. Berlin ; New York: Springer, 2003.

Koelink, Erik ed, et al. Orthogonal Polynomials and Special Functions: Leuven 2002. Springer, 2003.