@article{ZNSL_1997_237_a11,
     author = {A. Yu. Solynin},
     title = {Radial projection and the {Poincar\'e} metric},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {148--160},
     publisher = {mathdoc},
     volume = {237},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_237_a11/}
}