@article {9925,
	title = {Transition to instability in a periodically kicked Bose-Einstein condensate on a ring},
	journal = {Physical Review A - Atomic, Molecular, and Optical Physics},
	year = {2006},
	doi = {10.1103/PhysRevA.73.013601},
	author = {Jie Liu and Chuanwei Zhang and Mark G. Raizen and Qian Niu}
}
