@article{1183496959,
author = {Birkhoff, G. D.},
title = {Quantum mechanics and asymptotic series},
journal = {Bull. Amer. Math. Soc.},
volume = {39},
number = {12},
year = {1933},
pages = { 681-700},
language = {en},
url = {http://dml.mathdoc.fr/item/1183496959}
}
Birkhoff, G. D. Quantum mechanics and asymptotic series. Bull. Amer. Math. Soc., Tome 39 (1933) no. 12, pp. 681-700. http://gdmltest.u-ga.fr/item/1183496959/