@article{1177699616, author = {Freedman, David A.}, title = {Equivalence and Singularity for Friedman Urns}, journal = {Ann. Math. Statist.}, volume = {37}, number = {6}, year = {1966}, pages = { 268-270}, language = {en}, url = {http://dml.mathdoc.fr/item/1177699616} }
Freedman, David A. Equivalence and Singularity for Friedman Urns. Ann. Math. Statist., Tome 37 (1966) no. 6, pp. 268-270. http://gdmltest.u-ga.fr/item/1177699616/