@article{10_1017_S0017089506003107,
     author = {CAIN, ALAN J.},
     title = {A {GROUP-EMBEDDABLE} {NON-AUTOMATIC} {SEMIGROUP} {WHOSE} {UNIVERSAL} {GROUP} {IS} {AUTOMATIC}},
     journal = {Glasgow mathematical journal},
     pages = {337--342},
     year = {2006},
     volume = {48},
     number = {2},
     doi = {10.1017/S0017089506003107},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089506003107/}
}