@article{PMF_1893_4_1_a3,
     author = {Stod\'o{\l}kiewicz, A. J.},
     title = {Uog\'olnienie twierdzenia o przypadkach szczeg\'olnych zagadnienia {Pfaffa}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {56--62},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1893},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1893_4_1_a3/}
}