@article{GDZPPN002458144, title = {On the Convolution of Logistic Random Variables.}, journal = {Metrika}, volume = {30}, year = {1983}, pages = {1-14}, zbl = {0513.60031}, url = {http://dml.mathdoc.fr/item/GDZPPN002458144} }
Mudholkar, G.S.; George, E.O. On the Convolution of Logistic Random Variables.. Metrika, Tome 30 (1983) pp. 1-14. http://gdmltest.u-ga.fr/item/GDZPPN002458144/