@article{SEMR_2014_11_a4,
     author = {E. I. Latkin},
     title = {Generalised {BK-frames}},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {210--219},
     publisher = {mathdoc},
     volume = {11},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2014_11_a4/}
}