@article{1256054116, author = {Lacher, R. C.}, title = {Topologically unknotting tubes in Euclidean space}, journal = {Illinois J. Math.}, volume = {12}, number = {4}, year = {1968}, pages = { 483-493}, language = {en}, url = {http://dml.mathdoc.fr/item/1256054116} }
Lacher, R. C. Topologically unknotting tubes in Euclidean space. Illinois J. Math., Tome 12 (1968) no. 4, pp. 483-493. http://gdmltest.u-ga.fr/item/1256054116/