@article{10_4171_dm_302,
     author = {Alexander H.W. Schmitt and Jochen Heinloth},
     title = {The cohomology rings of moduli stacks of principal bundles over curves},
     journal = {Documenta mathematica},
     pages = {423--488},
     year = {2010},
     volume = {15},
     doi = {10.4171/dm/302},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/302/}
}