@article{MZ_1980__175_173028,
     author = {Maria Luzia Leite and I.D. de Miatello},
     title = {A {Geometric} {Property} of {Central} {Elements.}},
     journal = {Mathematische Zeitschrift},
     pages = {139--142},
     publisher = {mathdoc},
     volume = {175},
     year = {1980},
     zbl = {0432.53030},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__175_173028/}
}