@article{IIMI_2006_36_2_a26,
     author = {V. A. Belousov and N. I. Kalyadin},
     title = {On one essential condition in recognition of finite sets},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {113--116},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2006_36_2_a26/}
}