@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/