Labeled Ballot Paths and the Springer Numbers. - William Y. C. Chen; Neil J. Y. Fan; Jeffrey Y. T. Jia (SIAM J. Discret. Math., 2011)

The generating function for the Dirichlet series Lm(s). - William Y. C. Chen; Neil J. Y. Fan; Jeffrey Y. T. Jia (Math. Comput., 2012)