1. B. Beckerman, M. Castro, On the determinacy of the complex Jacobi operators, Publication ANO 446, Université Lille, 2002.
2. An Introduction to Orthogonal Polynomials;Chihara,1978
3. A.S. Cvetković, G.V. Milovanović, The Mathematica Package “Orthogonal Polynomials”, Facta Univ. Ser. Math. Inform 19 (2004).
4. Polynomials orthogonal on a circular arc;de Bruin;J. Comput. Appl. Math.,1990
5. Algorithm 726;Gautschi;ACM Trans. Math. Software,1994