@article{CMJ_2002_52_2_a2,
     author = {Rach\r{u}nek, Ji\v{r}{\'\i}},
     title = {A non-commutative generalization of $MV$-algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {255--273},
     year = {2002},
     volume = {52},
     number = {2},
     mrnumber = {1905434},
     zbl = {1012.06012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2002_52_2_a2/}
}