@article{CM_1979__38_2_155_0, author = {Van Douwen, Eric K.}, title = {Retracts of the {Sorgenfrey} line}, journal = {Compositio Mathematica}, pages = {155--161}, publisher = {Sijthoff et Noordhoff International Publishers}, volume = {38}, number = {2}, year = {1979}, mrnumber = {528838}, zbl = {0408.54004}, language = {en}, url = {http://archive.numdam.org/item/CM_1979__38_2_155_0/} }
Van Douwen, Eric K. Retracts of the Sorgenfrey line. Compositio Mathematica, Tome 38 (1979) no. 2, pp. 155-161. http://archive.numdam.org/item/CM_1979__38_2_155_0/
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