@article{Simons1987,
	title = {Easily determining which urns are [`]favorable'},
	author = {Gordon Simons},
	journal = {Statistics \& Probability Letters},
	month = {Jan},
	number = {1},
	pages = {43--48},
	url = {http://www.sciencedirect.com/science/article/B6V1D-47N62K8-P/1/e721b25e8a9606409c03cf31ba5332ba},
	volume = {5},
	year = {1987},
	biburl = {http://www.bibsonomy.org/bibtex/289bac71eb2d27fb8bdec72007d24ba4d/smicha},
	keywords = {optimal stopping }
}