@article{SF_1993__47_2_135249,
     author = {M.V. Lawson},
     title = {An equivalence theorem for inverse semigroups.},
     journal = {Semigroup forum},
     pages = {7--14},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1993},
     zbl = {0784.20033},
     url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135249/}
}