@article{JRAM_1834__11_146859,
     author = {Chr. J\"urgensen},
     title = {Note sur une formule de {Laplace.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {136--141},
     publisher = {mathdoc},
     volume = {11},
     year = {1834},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1834__11_146859/}
}