@article{MP_2015_a14,
     author = {A. K. Koval'dzhi and A. Ya. Kanel-Belov},
     title = {{\CYRZ}{\cyra}{\cyrn}{\cyrya}{\cyrt}{\cyri}{\cyrya} {\cyrp}{\cyro} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyre} -- {\cyrl}{\cyri}{\cyrs}{\cyrt}{\cyrk}{\cyri} {\cyri} {\cyrd}{\cyri}{\cyra}{\cyrl}{\cyro}{\cyrg}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {206--233},
     publisher = {mathdoc},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2015_a14/}
}