@article{1200694126,
author = {Fox, Ralph H.},
title = {Characterizations of slices and ribbons},
journal = {Osaka J. Math.},
volume = {10},
number = {1},
year = {1973},
pages = { 69-76},
language = {en},
url = {http://dml.mathdoc.fr/item/1200694126}
}
Fox, Ralph H. Characterizations of slices and ribbons. Osaka J. Math., Tome 10 (1973) no. 1, pp. 69-76. http://gdmltest.u-ga.fr/item/1200694126/