@article{JGG_2007_11_1_JGG_2007_11_1_a2,
     author = {S. Bacso and Z. Szilasi },
     title = {Generalized {Rabl} {Mappings} and {Apollonius-Type} {Problems}},
     journal = {Journal for geometry and graphics},
     pages = {27--38},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JGG_2007_11_1_JGG_2007_11_1_a2/}
}