1. Mathematical Methods for Physicists;Arfken,2005
2. J.F. Barbero G., J. Salas, E.J.S. Villaseñor, On the ν-order generalized Eulerian and Ward numbers, in preparation.
3. Introduction to Enumerative Combinatorics;Bóna,2007
4. Combinatorics of Permutations;Bóna,2012
5. Advanced Combinatorics: The Art of Finite and Infinite Expansions;Comtet,1974