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@article{10_4064_fm_46_3_285_303, author = {D. Bourgin}, title = {Deformation and mapping theorems}, journal = {Fundamenta Mathematicae}, pages = {285--303}, publisher = {mathdoc}, volume = {46}, number = {3}, year = {1958}, doi = {10.4064/fm-46-3-285-303}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-46-3-285-303/} }
D. Bourgin. Deformation and mapping theorems. Fundamenta Mathematicae, Tome 46 (1958) no. 3, pp. 285-303. doi : 10.4064/fm-46-3-285-303. http://geodesic.mathdoc.fr/articles/10.4064/fm-46-3-285-303/
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