@article{1177693422, author = {Hou, Tien-Fang}, title = {Approachability in a Two-person Game}, journal = {Ann. Math. Statist.}, volume = {42}, number = {6}, year = {1971}, pages = { 735-744}, language = {en}, url = {http://dml.mathdoc.fr/item/1177693422} }
Hou, Tien-Fang. Approachability in a Two-person Game. Ann. Math. Statist., Tome 42 (1971) no. 6, pp. 735-744. http://gdmltest.u-ga.fr/item/1177693422/