@article{PMF_1935_42_1_a4,
     author = {Lubelski, S.},
     title = {L\"osung eines {Tartakovskischen} {Problems}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {55--57},
     year = {1935},
     volume = {42},
     number = {1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1935_42_1_a4/}
}