@article{10_1017_S0017089500006790,
     author = {Levi, Inessa},
     title = {Automorphisms of normal partial transformation semigroups},
     journal = {Glasgow mathematical journal},
     pages = {149--157},
     year = {1987},
     volume = {29},
     number = {2},
     doi = {10.1017/S0017089500006790},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006790/}
}