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@article{PORMA_1959__18_4_114824, author = {Batho, Edward H.}, title = {A note on a theorem of {I.S.} {Cohen}}, journal = {Portugaliae mathematica}, pages = {187--192}, publisher = {mathdoc}, volume = {18}, number = {4}, year = {1959}, mrnumber = {0126464}, zbl = {0103.26902}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1959__18_4_114824/} }
Batho, Edward H. A note on a theorem of I.S. Cohen. Portugaliae mathematica, Tome 18 (1959) no. 4, pp. 187-192. http://geodesic.mathdoc.fr/item/PORMA_1959__18_4_114824/