@article{SF_1974__6_133965, author = {S. Subbiah}, title = {Another proof of a theorem of {Evans.}}, journal = {Semigroup forum}, pages = {93--94}, publisher = {mathdoc}, volume = {6}, year = {1974}, zbl = {0255.20043}, url = {http://geodesic.mathdoc.fr/item/SF_1974__6_133965/} }