@article{PMF_1910_21_1_a1,
     author = {Lichtenstein, Leon},
     title = {O niekt\'orych zastosowaniach teoryi r\'owna\'n ca{\l}kowych liniowych},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {7--16},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1910},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1910_21_1_a1/}
}