Linear Partial Divided-Difference Equation Satisfied by Multivariate Orthogonal Polynomials on Quadratic LatticesD. D. Tcheutia, Y. Guemo Tefo, M. Foupouagnigni, E. Godoy and I. AreaMath. Model. Nat. Phenom., 12 3 (2017) 14-43DOI: https://doi.org/10.1051/mmnp/201712303