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@article{10_4064_fm_52_2_205_207, author = {A. Fine}, title = {Abstract covering theorems}, journal = {Fundamenta Mathematicae}, pages = {205--207}, publisher = {mathdoc}, volume = {52}, number = {2}, year = {1963}, doi = {10.4064/fm-52-2-205-207}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-52-2-205-207/} }
A. Fine. Abstract covering theorems. Fundamenta Mathematicae, Tome 52 (1963) no. 2, pp. 205-207. doi : 10.4064/fm-52-2-205-207. http://geodesic.mathdoc.fr/articles/10.4064/fm-52-2-205-207/
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