TY - JOUR AU - Koepf, Wolfram TI - Orthogonal polynomials and recurrence equations, operator equations and factorization JO - Electronic transactions on numerical analysis PY - 2007 SP - 113 EP - 123 VL - 27 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2007__27__a4/ LA - en ID - ETNA_2007__27__a4 ER -