Victor J. W. Guo Jiang Zeng Some arithmetic properties of the <i>q</i>-Euler numbers and <i>q</i>-Salié numbers. 884-895 2006 27 Eur. J. Comb. 6 http://dx.doi.org/10.1016/j.ejc.2005.04.009 db/journals/ejc/ejc27.html#GuoZ06