@article{ZNSL_1991_196_a3,
     author = {V. N. Dubinin},
     title = {Transformations of condensers in $n$-space},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {41--60},
     year = {1991},
     volume = {196},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_196_a3/}
}