@article{AUCMP_1981__22_2_a6,
     author = {Kepka, Tom\'a\v{s}},
     title = {Quasitrivial groupoids and balanced identities},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {49--64},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1981},
     mrnumber = {0654381},
     zbl = {0516.20033},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1981__22_2_a6/}
}