@article{10_1017_S0017089500000288,
     author = {Munn, W. D.},
     title = {Regular \ensuremath{\omega}-semigroups},
     journal = {Glasgow mathematical journal},
     pages = {46--66},
     year = {1968},
     volume = {9},
     number = {1},
     doi = {10.1017/S0017089500000288},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000288/}
}