@article{05887051,
title = {Conditions for the },
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {50},
year = {2009},
pages = {1333-1347},
zbl = {1224.32008},
language = {en},
url = {http://dml.mathdoc.fr/item/05887051}
}
Kytmanov, A.M.; Myslivets, S.G. Conditions for the . Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 1333-1347. http://gdmltest.u-ga.fr/item/05887051/