@article{SMZ_2007__48_4_55677,
     author = {Karmanova, M.B.},
     title = {Area and coarea formulas for the mappings of {Sobolev} classes with values in a metric space.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {778},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {2007},
     zbl = {1164.46323},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_4_55677/}
}