@article{10_1017_S0017089500006972,
     author = {Madhavan, S.},
     title = {Bisimple weakly inverse semigroups with partial right unitoids},
     journal = {Glasgow mathematical journal},
     pages = {1--10},
     year = {1988},
     volume = {30},
     number = {1},
     doi = {10.1017/S0017089500006972},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006972/}
}