Two-variable Wilson polynomials and the generic superintegrable system on the 3-sphere. Kalnins, Ernie G.; Miller, Willard jun.; Post, Sarah — 2011 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
A recurrence relation approach to higher order quantum superintegrability. Kalnins, Ernie G.; Kress, Jonathan M.; Miller, Willard jun. — 2011 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]