@article {6352,
	title = {The Poisson-Lie structure of nonlinear O(N) σ-model by using the moving-frame method},
	journal = {Journal of Physics A: Mathematical and General},
	year = {1994},
	pages = {7209-7216},
	doi = {10.1088/0305-4470/27/21/035},
	author = {Bo Yu Hou and Bo Yuan Ho and Yin-Wan Li and Biao Wu}
}
