@article{PIM_1978_N_S_24_38_a20,
     author = {Jack C. Sharp Jr.},
     title = {Anti-regular {Semigroups}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {147 },
     publisher = {mathdoc},
     volume = {_N_S_24},
     number = {38},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_24_38_a20/}
}