@article {guillon2013origin,
	title = {On the origin and convergence of a post-quantization constrained propagator for path integral simulations of rigid bodies},
	journal = {The Journal of chemical physics},
	volume = {138},
	year = {2013},
	pages = {184101},
	publisher = {AIP},
	author = {Guillon, Gr{\'e}goire and Zeng, Tao and Roy, Pierre-Nicholas}
}
