@article{PMF_1939_46_1_a9,
     author = {Wrona, W{\l}odzimierz},
     title = {Neues {Beispiel} einer {Finslerschen} {Geometrie}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {281--290},
     year = {1939},
     volume = {46},
     number = {1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1939_46_1_a9/}
}