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@article{CMUC_1980__21_3_a13, author = {Hahn, Siegfried}, title = {Hom\"oomorphieaussagen f\"ur $k$-verdichtende {Vektorfelder}}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {563--572}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {1980}, mrnumber = {590135}, zbl = {0452.47061}, language = {ge}, url = {http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a13/} }
Hahn, Siegfried. Homöomorphieaussagen für $k$-verdichtende Vektorfelder. Commentationes Mathematicae Universitatis Carolinae, Tome 21 (1980) no. 3, pp. 563-572. http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a13/