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@article{JRAM_1980__317_152255, author = {Knud Lonsted}, title = {On the embedding of coverings into 1-dimensional bundles.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {88--101}, publisher = {mathdoc}, volume = {317}, year = {1980}, zbl = {0424.55012}, url = {http://geodesic.mathdoc.fr/item/JRAM_1980__317_152255/} }
Knud Lonsted. On the embedding of coverings into 1-dimensional bundles.. Journal für die reine und angewandte Mathematik, Tome 317 (1980), pp. 88-101. http://geodesic.mathdoc.fr/item/JRAM_1980__317_152255/