@article{PMF_1904_15_1_a5,
     author = {Neumann, C.},
     title = {O pewnym gatunku ca{\l}ek rozpostartych na powierzchni kuli},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {61--82},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1904},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1904_15_1_a5/}
}