@article{AUCMP_1996__37_1_a4,
     author = {Je\v{z}ek, Jaroslav and Kepka, Tom\'a\v{s}},
     title = {Bijective reflexions and coreflexions of commutative unars},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {31--40},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1996},
     mrnumber = {1637707},
     zbl = {0899.08005},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1996__37_1_a4/}
}