@article{CMJ_2006__56_2_a8,
     author = {Novotn\'y, Miroslav},
     title = {On some constructions of algebraic objects},
     journal = {Czechoslovak Mathematical Journal},
     pages = {389--402},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2006},
     mrnumber = {2291744},
     zbl = {1164.08306},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a8/}
}