@article{ETNA_2008__30__a12,
     author = {L\'opez, Jos\'e L. and Pagola, Pedro J.},
     title = {A simplification of the {Laplace} method for double integrals. {Application} to the second {Appell} function},
     journal = {Electronic transactions on numerical analysis},
     pages = {224--236},
     publisher = {mathdoc},
     volume = {30},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__30__a12/}
}