@article{1177704469, author = {Wells, W. T. and Anderson, R. L. and Cell, John W.}, title = {The Distribution of the Product of Two Central or Non-Central Chi-Square Variates}, journal = {Ann. Math. Statist.}, volume = {33}, number = {4}, year = {1962}, pages = { 1016-1020}, language = {en}, url = {http://dml.mathdoc.fr/item/1177704469} }
Wells, W. T.; Anderson, R. L.; Cell, John W. The Distribution of the Product of Two Central or Non-Central Chi-Square Variates. Ann. Math. Statist., Tome 33 (1962) no. 4, pp. 1016-1020. http://gdmltest.u-ga.fr/item/1177704469/