@article{ZNSL_2001_276_a11,
     author = {G. V. Kuz'mina},
     title = {Problems of extremal decomposition of the {Riemann} sphere},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {253--275},
     publisher = {mathdoc},
     volume = {276},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_276_a11/}
}