BibTex format
@article{Bender:1996:10.1103/PhysRevD.54.7710,
author = {Bender, CM and Bettencourt, LMA},
doi = {10.1103/PhysRevD.54.7710},
journal = {PHYSICAL REVIEW D},
pages = {7710--7723},
title = {Multiple-scale analysis of quantum systems},
url = {http://dx.doi.org/10.1103/PhysRevD.54.7710},
volume = {54},
year = {1996}
}