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@article{MZ_1995__218_4_174723, author = {Wilderich Tuschmann}, title = {Hausdorff convergence and the fundamental group.}, journal = {Mathematische Zeitschrift}, pages = {207--212}, publisher = {mathdoc}, volume = {218}, number = {4}, year = {1995}, zbl = {0814.53036}, url = {http://geodesic.mathdoc.fr/item/MZ_1995__218_4_174723/} }
Wilderich Tuschmann. Hausdorff convergence and the fundamental group.. Mathematische Zeitschrift, Tome 218 (1995) no. 4, pp. 207-212. http://geodesic.mathdoc.fr/item/MZ_1995__218_4_174723/