@article{VTGU_2008_1_a5,
     author = {V. A. Klyachin},
     title = {{\CYRO}n {a~Generalization} of the {Delaunay} {Condition}},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {48--50},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2008_1_a5/}
}