@article{MASLO_1999__49_1_a4,
     author = {Katrno\v{s}ka, Franti\v{s}ek},
     title = {On the center of a left {Jordan} groupoid},
     journal = {Mathematica slovaca},
     pages = {35--39},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1999},
     mrnumber = {1804471},
     zbl = {0944.06005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1999__49_1_a4/}
}