@article{PMF_1890_2_1_a1,
     author = {Kretkowski, W{\l}.},
     title = {Przyczynek do teoryi eliminacyi},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {21--32},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1890},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1890_2_1_a1/}
}