@article{etna_vol30_pp224-236, author = {Jos\'e L. L\'{o}pez and Pedro J. Pagola}, title = {A simplification of the Laplace method for double integrals. Application to the second Appell function}, journal = {Electron. Trans. Numer. Anal.}, volume = {30}, year = {2008}, pages = {224--236}, }