@article{Sobel1994,
	title = {A duality theorem for solving multiple-player multivariate hypergeometric
	problems},
	author = {Milton Sobel and Krzysztof Frankowski},
	day = {27},
	journal = {Statistics \& Probability Letters},
	month = {May},
	number = {2},
	pages = {155--162},
	url = {http://www.sciencedirect.com/science/article/B6V1D-45DHJ92-3T/1/2248b1c6e100e33dbfdc438f665f1d1a},
	volume = {20},
	year = {1994},
	biburl = {http://www.bibsonomy.org/bibtex/2f50f9ef0699284580ed22f96d11df34d/smicha},
	keywords = {Multivariate hypergeometric probabilities }
}