Ahmed Fitouhi M. Moncef Hamza Fethi Bouzeffour The q-j<sub>alpha</sub> Bessel Function. 144-166 2002 115 Journal of Approximation Theory 1 http://dx.doi.org/10.1006/jath.2001.3645 db/journals/jat/jat115.html#FitouhiHB02