@article{1200783056, author = {Sato, Yoshihisa}, title = {2-knots in $S\sp 2\times S\sp 2$, and homology 4-spheres}, journal = {Osaka J. Math.}, volume = {28}, number = {1}, year = {1991}, pages = { 243-253}, language = {en}, url = {http://dml.mathdoc.fr/item/1200783056} }
Sato, Yoshihisa. 2-knots in $S\sp 2\times S\sp 2$, and homology 4-spheres. Osaka J. Math., Tome 28 (1991) no. 1, pp. 243-253. http://gdmltest.u-ga.fr/item/1200783056/