Incomplete Gamma functions for large values of their variables. Advances in Applied Mathematics. 2005   full text

   The Gauss hypergeometric function F(a,b;c;z) for large c. Journal of Computational and Applied Mathematics. 2006    full text

   The Laplace’s and Steepest Descents methods revisited. Internacional Mathematical Forum.  2007    full text

   A simplification of the Laplace's method for double integrals. Application to the second Appell function. 

	Electronic Transactions on Numerical Analysis. 2008    ??