Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1962__12_3_a7, author = {Bos\'ak, Juraj}, title = {{\CYRO} {\cyrr}{\cyra}{\cyrd}{\cyri}{\cyrk}{\cyra}{\cyrl}{\cyra}{\cyrh} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrp}}, journal = {Mathematica slovaca}, pages = {230--234}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {1962}, zbl = {0214.03506}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MASLO_1962__12_3_a7/} }
Bosák, Juraj. О радикалах полугруппп. Mathematica slovaca, Tome 12 (1962) no. 3, pp. 230-234. http://geodesic.mathdoc.fr/item/MASLO_1962__12_3_a7/