@article{SF_1990__40_1_135000,
     author = {R.P. Hunter},
     title = {On recognition and compactification.},
     journal = {Semigroup forum},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1990},
     zbl = {0684.20057},
     url = {http://geodesic.mathdoc.fr/item/SF_1990__40_1_135000/}
}