@article{10_1017_S0017089500000033,
     author = {McAlister, D. B.},
     title = {Matrix representations of semigroups},
     journal = {Glasgow mathematical journal},
     pages = {1--13},
     year = {1967},
     volume = {8},
     number = {1},
     doi = {10.1017/S0017089500000033},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000033/}
}