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@article{SF_1984__28_134667, author = {K. Ahre}, title = {On the closure of {B'} [o,....).}, journal = {Semigroup forum}, pages = {377--378}, publisher = {mathdoc}, volume = {28}, year = {1984}, zbl = {0527.22002}, url = {http://geodesic.mathdoc.fr/item/SF_1984__28_134667/} }
K. Ahre. On the closure of B' [o,....).. Semigroup forum, Tome 28 (1984), pp. 377-378. http://geodesic.mathdoc.fr/item/SF_1984__28_134667/