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@article{PIM_1959_S_S_XIII_13_a2, author = {P. Erd\"os and G. Szekeres}, title = {On {The} {Product} \ensuremath{\prod} k=1,n (1-zak)}, journal = {Publications de l'Institut Math\'ematique}, pages = {29 }, publisher = {mathdoc}, volume = {_S_S_XIII}, number = {13}, year = {1959}, url = {http://geodesic.mathdoc.fr/item/PIM_1959_S_S_XIII_13_a2/} }
P. Erdös; G. Szekeres. On The Product ∏ k=1,n (1-zak). Publications de l'Institut Mathématique, _S_S_XIII (1959) no. 13, p. 29 . http://geodesic.mathdoc.fr/item/PIM_1959_S_S_XIII_13_a2/