@article{10_1017_S0017089500000239,
     author = {Petrich, Mario},
     title = {The translational hull of a completely 0-simple semigroup},
     journal = {Glasgow mathematical journal},
     pages = {1--11},
     year = {1968},
     volume = {9},
     number = {1},
     doi = {10.1017/S0017089500000239},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000239/}
}