Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{AV_1935__5_4_a2, author = {Guldberg, Sven}, title = {Remark on {Polya's} law}, journal = {Aktu\'arsk\'e v\v{e}dy}, pages = {182--184}, publisher = {mathdoc}, volume = {05}, number = {4}, year = {1935}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AV_1935__5_4_a2/} }
Guldberg, Sven. Remark on Polya's law. Aktuárské vědy, Tome 05 (1935) no. 4, pp. 182-184. http://geodesic.mathdoc.fr/item/AV_1935__5_4_a2/