@article{SM_2017_208_6_a7,
     author = {Xiaohui-H. Zhang and Riku Kl\'en and Ville Suomala and Matti Vuorinen},
     title = {Volume growth of quasihyperbolic balls},
     journal = {Sbornik. Mathematics},
     pages = {902--914},
     publisher = {mathdoc},
     volume = {208},
     number = {6},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_6_a7/}
}