@article{HM_1988_1988_1_a2,
     author = {Jim\'enez Guerra, Pedro},
     title = {Leibnitz.},
     journal = {Historia de la Matem\'atica},
     pages = {61-74},
     publisher = {mathdoc},
     year = {1988},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/HM_1988_1988_1_a2/}
}