@article{CMUC_1974__15_2_a1,
     author = {Alad'ev, Viktor},
     title = {{\CYRO}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyri} {\cyrn}{\cyra}{\cyrd} {\cyrya}{\cyrz}{\cyrery}{\cyrk}{\cyra}{\cyrm}{\cyri}, {\cyrg}{\cyre}{\cyrn}{\cyre}{\cyrr}{\cyri}{\cyrr}{\cyru}{\cyre}{\cyrm}{\cyrery}{\cyrm}{\cyri}  $\tau_n$-{\cyrg}{\cyrr}{\cyra}{\cyrm}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyra}{\cyrm}{\cyri}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {211--220},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1974},
     mrnumber = {0366103},
     zbl = {0286.68043},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1974__15_2_a1/}
}