@article{10_1017_S0017089500007230,
     author = {Brown, B. and Higgins, P. M.},
     title = {Finite full transformation semigroups as collections of random functions},
     journal = {Glasgow mathematical journal},
     pages = {203--211},
     year = {1988},
     volume = {30},
     number = {2},
     doi = {10.1017/S0017089500007230},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007230/}
}