@article{1029001473,
author = {Liang, Chao Chu},
title = {Semifree involutions on sphere knots.},
journal = {Michigan Math. J.},
volume = {21},
number = {3},
year = {1975},
pages = { 161-163},
language = {en},
url = {http://dml.mathdoc.fr/item/1029001473}
}
Liang, Chao Chu. Semifree involutions on sphere knots.. Michigan Math. J., Tome 21 (1975) no. 3, pp. 161-163. http://gdmltest.u-ga.fr/item/1029001473/