@article{PMF_1912_23_1_a6,
     author = {Sierpi\'nski, Wac{\l}aw},
     title = {O krzywych wype{\l}niaj\k{a}cych kwadrat},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {193--219},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1912},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1912_23_1_a6/}
}