@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/