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@article{10_4064_fm_47_3_249_263, author = {J. Stallings}, title = {Fixed point theorems for connectivity maps}, journal = {Fundamenta Mathematicae}, pages = {249--263}, publisher = {mathdoc}, volume = {47}, number = {3}, year = {1959}, doi = {10.4064/fm-47-3-249-263}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-47-3-249-263/} }
J. Stallings. Fixed point theorems for connectivity maps. Fundamenta Mathematicae, Tome 47 (1959) no. 3, pp. 249-263. doi : 10.4064/fm-47-3-249-263. http://geodesic.mathdoc.fr/articles/10.4064/fm-47-3-249-263/
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