@article{CRMATH_2006__343_7_457_0,
     author = {Ou, Chunhua and Wong, Roderick},
     title = {Exponential asymptotics and adiabatic invariance of a simple oscillator},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {457--462},
     publisher = {Elsevier},
     volume = {343},
     number = {7},
     year = {2006},
     doi = {10.1016/j.crma.2006.09.017},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2006.09.017/}
}