Yigang Cai, Xiang-Yang Li. Online charging in the roaming EPC/LTE network. Bell Labs Technical Journal, 15(1):115-132, 2010. [doi]
@article{CaiL10-7,
title = {Online charging in the roaming EPC/LTE network},
author = {Yigang Cai and Xiang-Yang Li},
year = {2010},
doi = {10.1002/bltj.20428},
url = {http://dx.doi.org/10.1002/bltj.20428},
researchr = {https://researchr.org/publication/CaiL10-7},
cites = {0},
citedby = {0},
journal = {Bell Labs Technical Journal},
volume = {15},
number = {1},
pages = {115-132},
}