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@article{SF_1986__33_134811, author = {K.R. Ahre}, title = {On the closure of {B1} [0,...)j.}, journal = {Semigroup forum}, pages = {269--272}, publisher = {mathdoc}, volume = {33}, year = {1986}, zbl = {0591.22002}, url = {http://geodesic.mathdoc.fr/item/SF_1986__33_134811/} }
K.R. Ahre. On the closure of B1 [0,...)j.. Semigroup forum, Tome 33 (1986), pp. 269-272. http://geodesic.mathdoc.fr/item/SF_1986__33_134811/