@article{PMF_1896_7_1_a2,
     author = {Birkenmajer, L.},
     title = {O pewnem twierdzeniu z teoryi liczb},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {12--14},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1896},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1896_7_1_a2/}
}