@article{SF_1984__30_134707,
     author = {I. Levi and G.R. Wood},
     title = {On maximal subsemigroups of {Baer-Levi} semigroups.},
     journal = {Semigroup forum},
     pages = {99--102},
     publisher = {mathdoc},
     volume = {30},
     year = {1984},
     zbl = {0528.20052},
     url = {http://geodesic.mathdoc.fr/item/SF_1984__30_134707/}
}