@article{DOCMA_2013__18__a2,
     author = {Haution, Olivier},
     title = {Invariants of upper motives},
     journal = {Documenta mathematica},
     pages = {1555--1572},
     publisher = {mathdoc},
     volume = {18},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2013__18__a2/}
}