@article{SF_1976__12_134191,
     author = {J. Goldstein},
     title = {Corrigendum on },
     journal = {Semigroup forum},
     pages = {388--388},
     year = {1976},
     volume = {12},
     zbl = {0334.47032},
     url = {http://geodesic.mathdoc.fr/item/SF_1976__12_134191/}
}