@article{10_1090_S0894_0347_2013_00761_4,
     author = {Freed, Daniel and Hopkins, Michael and Teleman, Constantin},
     title = {Loop groups and twisted {\ensuremath{\mathit{K}}-theory} {II}},
     journal = {Journal of the American Mathematical Society},
     pages = {595--644},
     year = {2013},
     volume = {26},
     number = {3},
     doi = {10.1090/S0894-0347-2013-00761-4},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2013-00761-4/}
}