@article{1200773553,
author = {Gilbert, Shirley and Zvengrowski, Peter},
title = {$S\sp1$-invariant homotopy of spheres},
journal = {Osaka J. Math.},
volume = {17},
number = {1},
year = {1980},
pages = { 603-617},
language = {en},
url = {http://dml.mathdoc.fr/item/1200773553}
}
Gilbert, Shirley; Zvengrowski, Peter. $S\sp1$-invariant homotopy of spheres. Osaka J. Math., Tome 17 (1980) no. 1, pp. 603-617. http://gdmltest.u-ga.fr/item/1200773553/