Some Functions Associated with the Bessel Functions W. Al-SalamL. Carlitz Indiana University Mathematics Journal 1963 text pdf 10.1512/iumj.1963.12.12064 10.1512/iumj.1963.12.12064 en Indiana Univ. Math. J. 12 (1963) 911 - 933 state-of-the-art mathematics http://iumj.org/access/