@article{02105199, title = {Units of ring spectra and their traces in algebraic K-theory.}, journal = {Geometry \& Topology}, volume = {8}, year = {2004}, pages = {645-673}, doi = {10.2140/gt.2004.8.645}, zbl = {1052.19001}, language = {en}, url = {http://dml.mathdoc.fr/item/02105199} }
Schlichtkrull, Christian. Units of ring spectra and their traces in algebraic K-theory.. Geometry & Topology, Tome 8 (2004) pp. 645-673. doi : 10.2140/gt.2004.8.645. http://gdmltest.u-ga.fr/item/02105199/