@article{CMUC_1968__9_1_a0,
     author = {Kval'vasser, V. I. and Rutner, J{\cyra}. F. and Skrjabina, L. P.},
     title = {{\CYRS}{\cyrm}{\cyre}{\cyrsh}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyre}  {\cyrk}{\cyrr}{\cyra}{\cyre}{\cyrv}{\cyrery}{\cyre}  {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrt}{\cyre}{\cyrp}{\cyrl}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrd}{\cyrl}{\cyrya} {\cyrb}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrs}{\cyrery}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {09},
     number = {1},
     year = {1968},
     mrnumber = {0235304},
     zbl = {0159.39601},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_1_a0/}
}