@article{GT_2010_14_2_a6,
     author = {Freed, Daniel S and Lott, John},
     title = {An index theorem in differential {K{\textendash}theory}},
     journal = {Geometry & topology},
     pages = {903--966},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2010},
     doi = {10.2140/gt.2010.14.903},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2010.14.903/}
}