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@article{CMUC_1987__28_1_a13, author = {van Douwen, Eric K.}, title = {Closed copies of the rationals}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {137--139}, publisher = {mathdoc}, volume = {28}, number = {1}, year = {1987}, mrnumber = {889775}, zbl = {0614.54028}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1987__28_1_a13/} }
van Douwen, Eric K. Closed copies of the rationals. Commentationes Mathematicae Universitatis Carolinae, Tome 28 (1987) no. 1, pp. 137-139. http://geodesic.mathdoc.fr/item/CMUC_1987__28_1_a13/