@article{1102645609,
author = {Ruberman, Daniel},
title = {Seifert surfaces of knots in $S^4$.},
journal = {Pacific J. Math.},
volume = {146},
number = {2},
year = {1990},
pages = { 97-116},
language = {en},
url = {http://dml.mathdoc.fr/item/1102645609}
}
Ruberman, Daniel. Seifert surfaces of knots in $S^4$.. Pacific J. Math., Tome 146 (1990) no. 2, pp. 97-116. http://gdmltest.u-ga.fr/item/1102645609/