@article{ELMA_1990__45_6_141493,
     author = {Marcin E. Kuczma},
     title = {A very elementary proof of a probabilistic limit relation.},
     journal = {Elemente der Mathematik},
     pages = {149--152},
     publisher = {mathdoc},
     volume = {45},
     number = {6},
     year = {1990},
     zbl = {0716.40002},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1990__45_6_141493/}
}