@article{LeOhSo2011,
	author={M. Leok and T. Ohsawa and D. Sosa},
	title={Hamilton--{J}acobi Theory for Degenerate {L}agrangian 
Systems with Holonomic and Nonholonomic Constraints},
	journal={Journal of Mathematical Physics},
	note={(submitted, \href{http://arxiv.org/abs/1109.6056}{\tt 
arXiv:1109.6056 [math-ph]})},
	year={2011},
}