@article{SF_1979__18_251455,
     author = {K. Chase},
     title = {Corrigenda to },
     journal = {Semigroup forum},
     pages = {387--387},
     publisher = {mathdoc},
     volume = {18},
     year = {1979},
     zbl = {0423.20057},
     url = {http://geodesic.mathdoc.fr/item/SF_1979__18_251455/}
}