%0 Journal Article %A Holub, Štěpán %A Sýkora, Jiří %T Binary equality words with two $b$'s %J Commentationes Mathematicae Universitatis Carolinae %D 2018 %P 153-172 %V 59 %N 2 %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.247/ %R 10.14712/1213-7243.2015.247 %G en %F 10_14712_1213_7243_2015_247