@article{ZNSL_1990_185_a7,
     author = {G. V. Kuz'mina},
     title = {On the problem of the extremal decomposition of a $n$-connected circular domain},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {96--110},
     publisher = {mathdoc},
     volume = {185},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_185_a7/}
}