@article{PMF_1894_5_1_a3,
     author = {Hilbert, D.},
     title = {O odwzorowaniu ci\k{a}g{\l}em linii na kawa{\l}ku powierzchni},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {13--14},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1894},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1894_5_1_a3/}
}