@article{1029002565,
author = {Shalen, Peter B.},
title = {A torus theorem for regular branched covers of $S^3$.},
journal = {Michigan Math. J.},
volume = {28},
number = {1},
year = {1981},
pages = { 347-358},
language = {en},
url = {http://dml.mathdoc.fr/item/1029002565}
}
Shalen, Peter B. A torus theorem for regular branched covers of $S^3$.. Michigan Math. J., Tome 28 (1981) no. 1, pp. 347-358. http://gdmltest.u-ga.fr/item/1029002565/