@article{1256046794,
author = {Ocken, Stanley},
title = {Embeddings of $S^{n} \times M$ in $S^{n+2} \times M$ form a group},
journal = {Illinois J. Math.},
volume = {26},
number = {4},
year = {1982},
pages = { 236-251},
language = {en},
url = {http://dml.mathdoc.fr/item/1256046794}
}
Ocken, Stanley. Embeddings of $S^{n} \times M$ in $S^{n+2} \times M$ form a group. Illinois J. Math., Tome 26 (1982) no. 4, pp. 236-251. http://gdmltest.u-ga.fr/item/1256046794/