Asymptotic expansions for ratios of products of gamma functions. Bühring, Wolfgang — 2003 International Journal of Mathematics and Mathematical Sciences
An asymptotic expansion for a ratio of products of gamma functions. Bühring, Wolfgang — 2000 International Journal of Mathematics and Mathematical Sciences
Transformation formulas for terminating Saalschützian hypergeometric series of unit argument. Bühring, Wolfgang — 1995 Journal of Applied Mathematics and Stochastic Analysis