@article{CMJ_2001_51_3_a10,
     author = {Martio, O. and Miklyukov, V. and Vuorinen, M.},
     title = {Estimates for the energy integral of quasiregular mappings on {Riemannian} manifolds and isoperimetry},
     journal = {Czechoslovak Mathematical Journal},
     pages = {585--608},
     year = {2001},
     volume = {51},
     number = {3},
     mrnumber = {1851549},
     zbl = {1079.30508},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2001_51_3_a10/}
}