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@article{AM2_1987__34_137249, author = {J\"urg R\"atz and Dennis Russell}, title = {An extremal problem related to probability.}, journal = {Aequationes mathematicae}, pages = {316--324}, publisher = {mathdoc}, volume = {34}, year = {1987}, zbl = {0632.60074}, url = {http://geodesic.mathdoc.fr/item/AM2_1987__34_137249/} }
Jürg Rätz; Dennis Russell. An extremal problem related to probability.. Aequationes mathematicae, Tome 34 (1987), pp. 316-324. http://geodesic.mathdoc.fr/item/AM2_1987__34_137249/