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@article{MZ_1992__211_3_174438, author = {Richard K. Skora}, title = {Closed braids in 3-manifolds.}, journal = {Mathematische Zeitschrift}, pages = {173--188}, publisher = {mathdoc}, volume = {211}, number = {3}, year = {1992}, zbl = {0758.57007}, url = {http://geodesic.mathdoc.fr/item/MZ_1992__211_3_174438/} }
Richard K. Skora. Closed braids in 3-manifolds.. Mathematische Zeitschrift, Tome 211 (1992) no. 3, pp. 173-188. http://geodesic.mathdoc.fr/item/MZ_1992__211_3_174438/