Voir la notice de l'article provenant de la source Numdam
@article{CM_1935__1__15_0, author = {Van der Corput, J. G.}, title = {Zur {Methode} der station\"aren {Phase.} {Erste} {Mitteilung} {Einfache} {Integrale}}, journal = {Compositio Mathematica}, pages = {15--38}, publisher = {Johnson Reprint Corporation}, volume = {1}, year = {1935}, zbl = {0008.25102}, language = {de}, url = {http://geodesic.mathdoc.fr/item/CM_1935__1__15_0/} }
Van der Corput, J. G. Zur Methode der stationären Phase. Erste Mitteilung Einfache Integrale. Compositio Mathematica, Tome 1 (1935), pp. 15-38. http://geodesic.mathdoc.fr/item/CM_1935__1__15_0/