@article{1200775534,
author = {Kawakubo, Katsuo},
title = {$\L ambda G$-structure of $G$-vector bundles and groups $K{\rm O}\sbG(X),$ $K{\rm Sp}\sbG(X)$ and $J\sbG(X)$},
journal = {Osaka J. Math.},
volume = {19},
number = {1},
year = {1982},
pages = { 695-715},
language = {en},
url = {http://dml.mathdoc.fr/item/1200775534}
}
Kawakubo, Katsuo. $Łambda G$-structure of $G$-vector bundles and groups $K{\rm O}\sbG(X),$ $K{\rm Sp}\sbG(X)$ and $J\sbG(X)$. Osaka J. Math., Tome 19 (1982) no. 1, pp. 695-715. http://gdmltest.u-ga.fr/item/1200775534/