@article{JEMS_2016_18_3_a4,
     author = {Alexander Merkurjev},
     title = {Degree three cohomological invariants of semisimple groups},
     journal = {Journal of the European Mathematical Society},
     pages = {657--680},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {2016},
     doi = {10.4171/jems/599},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/599/}
}