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@article{10_4064_fm_75_1_35_46, author = {Ronald Freiwald}, title = {Images of {Borel} sets and k-analytic sets}, journal = {Fundamenta Mathematicae}, pages = {35--46}, publisher = {mathdoc}, volume = {75}, number = {1}, year = {1972}, doi = {10.4064/fm-75-1-35-46}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-75-1-35-46/} }
Ronald Freiwald. Images of Borel sets and k-analytic sets. Fundamenta Mathematicae, Tome 75 (1972) no. 1, pp. 35-46. doi : 10.4064/fm-75-1-35-46. http://geodesic.mathdoc.fr/articles/10.4064/fm-75-1-35-46/
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