@article{PMF_1916_27_1_a4,
     author = {Sierpi\'nski, Wac{\l}aw},
     title = {O mierze {Lebesgue'a}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {33--67},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1916},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1916_27_1_a4/}
}