@article{ZNSL_2008_357_a4,
     author = {V. N. Dubinin and D. A. Kirillova},
     title = {On extremal decomposition problems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {54--74},
     year = {2008},
     volume = {357},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2008_357_a4/}
}