@article{SM_2011_202_12_a3,
     author = {V. A. Zorich},
     title = {On the measure of conformal difference between {Euclidean} and {Lobachevsky} spaces},
     journal = {Sbornik. Mathematics},
     pages = {1825--1830},
     publisher = {mathdoc},
     volume = {202},
     number = {12},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2011_202_12_a3/}
}