@article{PMF_1894_5_1_a2,
     author = {Gordan, P.},
     title = {Przest\k{e}pno\'s\'c liczb e i \ensuremath{\pi}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {9--12},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1894},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1894_5_1_a2/}
}