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@article{MZ_1984__187_173488, author = {Bradd E. Clark and Victor P. Schneider}, title = {All {Knot} {Groups} {Are} {Metric.}}, journal = {Mathematische Zeitschrift}, pages = {269--272}, publisher = {mathdoc}, volume = {187}, year = {1984}, zbl = {0536.57002}, url = {http://geodesic.mathdoc.fr/item/MZ_1984__187_173488/} }
Bradd E. Clark; Victor P. Schneider. All Knot Groups Are Metric.. Mathematische Zeitschrift, Tome 187 (1984), pp. 269-272. http://geodesic.mathdoc.fr/item/MZ_1984__187_173488/