@article{10_1017_S0017089500001737,
     author = {Ault, Janet E.},
     title = {The translational hull of an inverse semigroup},
     journal = {Glasgow mathematical journal},
     pages = {56--64},
     year = {1973},
     volume = {14},
     number = {1},
     doi = {10.1017/S0017089500001737},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001737/}
}