@article{MASLO_1978__28_1_a6,
     author = {Abrhan, Imrich},
     title = {{\CYRO} $\cal I$-{\cyrp}{\cyro}{\cyrd}{\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyrh} {\cyrv} {\cyru}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyrh}, {\cyro} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrery}{\cyrh} {\cyri}{\cyrd}{\cyre}{\cyra}{\cyrl}{\cyra}{\cyrh} {\cyri} $\cal I$-{\cyri}{\cyrd}{\cyre}{\cyra}{\cyrl}{\cyra}{\cyrh} {\cyrv} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyro}{\cyri}{\cyrd}{\cyra}{\cyrh} {\cyri} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyra}{\cyrh}},
     journal = {Mathematica slovaca},
     pages = {61--80},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1978},
     mrnumber = {527775},
     zbl = {0384.08004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1978__28_1_a6/}
}