1. Combinatorics of Permutations;Bona,2004
2. Advanced Combinatorics: The Art of Finite and Infinite Expansions;Comtet,1974
3. An Introduction to Probability Theory and Its Applications, vol. 2;Feller,1971
4. A symbolic operator approach to several summation formulas for power series;He;J. Comput. Appl. Math.,2005
5. Eulerian polynomials;Hirzebruch;Münster J. Math.,2008