@article{PMF_1915_26_1_a2,
     author = {Bartel, Kazimierz},
     title = {O p{\l}askich utworach inwolucyj stopnia czwartego, rodzaju zerowego},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {65--99},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1915},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1915_26_1_a2/}
}