Mama Foupouagnigni Salifou Mboutngam On the Polynomial Solution of Divided-Difference Equations of the Hypergeometric Type on Nonuniform Lattices. 47 2019 8 Axioms 2 https://doi.org/10.3390/axioms8020047 db/journals/axioms/axioms8.html#FoupouagnigniM19
