@article{MASLO_1972__22_4_a4,
     author = {Fabrici, Imrich},
     title = {One-Sided {Bases} of {Semigroups}},
     journal = {Mathematica slovaca},
     pages = {286--290},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1972},
     mrnumber = {0310095},
     zbl = {0263.20040},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1972__22_4_a4/}
}