@article{VTGU_2015_6_a6,
     author = {A. Sh. Shukurov},
     title = {On a paper by {Khmyleva} and {Bukhtina}},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {56--59},
     publisher = {mathdoc},
     number = {6},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2015_6_a6/}
}