@ARTICLE {2871,
author={S. Cani and L. Calmon and M. Ribeiro and M. J. Pontes and M. Segatto and A. Cartaxo},
doi={10.1109/JLT.2008.922320},
journal={Journal of Lightwave Technology},
title={An analytical approximated solution for the gain of broadband Raman amplifiers with multiple counter-pumps},
year={2009},
month={April},
volume={27},
number={7},
pages={944-951},
ISSN={0733-8724}
}