@article{PMF_1894_5_1_a0,
     author = {Hilbert, D.},
     title = {O przest\k{e}pno\'sci liczb e i \ensuremath{\pi}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {1--5},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1894},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1894_5_1_a0/}
}