@article{SM_2009_200_1_a0,
     author = {V. M. Kesel'man},
     title = {The isoperimetric inequality on conformally parabolic manifolds},
     journal = {Sbornik. Mathematics},
     pages = {1--33},
     publisher = {mathdoc},
     volume = {200},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2009_200_1_a0/}
}