@article{RM_1999_54_3_a23,
     author = {V. A. Zorich and V. M. Kesel'man},
     title = {A~canonical form for the isoperimetric inequality on manifolds of conformally hyperbolic type},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {665--666},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1999_54_3_a23/}
}