@article{GDZPPN002083825, title = {The SO(n)-of-origin.}, journal = {Forum mathematicum}, volume = {1}, year = {1989}, pages = {239-250}, zbl = {0695.55011}, url = {http://dml.mathdoc.fr/item/GDZPPN002083825} }
Davis, Donald M.; Mahowald, Mark. The SO(n)-of-origin.. Forum mathematicum, Tome 1 (1989) pp. 239-250. http://gdmltest.u-ga.fr/item/GDZPPN002083825/