@article{SF_1996__53_2_251459, author = {N.R. Reilly and S. Zhang}, title = {Corrigendum to }, journal = {Semigroup forum}, pages = {270--270}, publisher = {mathdoc}, volume = {53}, number = {2}, year = {1996}, zbl = {0854.20070}, url = {http://geodesic.mathdoc.fr/item/SF_1996__53_2_251459/} }