@article{PMF_1896_7_1_a1,
     author = {Stod\'o{\l}kiewicz, A. J.},
     title = {O zagadnieniu {Pfaffa}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {6--11},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1896},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1896_7_1_a1/}
}