@article{Idiart2002,
	title = {Directing a random walker with optimal potentials},
	author = {Marco A. P. Idiart and Marcelo Trevisan},
	day = {15},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {Apr},
	number = {1-2},
	pages = {52--62},
	url = {http://www.sciencedirect.com/science/article/B6TVG-44KPN1B-9/1/85e4d9d58273c79068c0626c3c1c80ea},
	volume = {307},
	year = {2002},
	biburl = {http://www.bibsonomy.org/bibtex/203abab5e61f1bfe51f61d0f6a7c35b94/smicha},
	description = {Physica A},
	keywords = {imported }
}