@article{10_4064_fm_132_2_143_149,
     author = {Jan Mycielski},
     title = {The {Banach-Tarski} paradox for the hyperbolic plane},
     journal = {Fundamenta Mathematicae},
     pages = {143--149},
     publisher = {mathdoc},
     volume = {132},
     number = {2},
     year = {1989},
     doi = {10.4064/fm-132-2-143-149},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-132-2-143-149/}
}