@article{1200692533,
author = {Yajima, Takeshi},
title = {On a characterization of knot groups of some spheres in $R\sp4$},
journal = {Osaka J. Math.},
volume = {6},
number = {1},
year = {1969},
pages = { 435-446},
language = {en},
url = {http://dml.mathdoc.fr/item/1200692533}
}
Yajima, Takeshi. On a characterization of knot groups of some spheres in $R\sp4$. Osaka J. Math., Tome 6 (1969) no. 1, pp. 435-446. http://gdmltest.u-ga.fr/item/1200692533/