%0 Journal Article %A Clotilde Martínez %A Miguel A. Piñar %T Orthogonal Polynomials on the Unit Ball and Fourth-Order Partial Differential Equations %J Symmetry, integrability and geometry: methods and applications %D 2016 %V 12 %U http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a19/ %G en %F SIGMA_2016_12_a19