@article{PMF_1931_38_1_a6,
     author = {Plamitzer, A.},
     title = {Powierzchnia krzywoliniowa 5-go rz\k{e}du z podw\'ojn\k{a} krzyw\k{a} sko\'sn\k{a} rz\k{e}du 3-go},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {79--128},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1931},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1931_38_1_a6/}
}