@article{DOCMA_2010__S4__a17,
     author = {Chernousov, V.},
     title = {Variations on a theme of groups splitting by a quadratic extension and {Grothendieck-Serre} conjecture for group schemes $F_4$ with trivial $g_3$ invariant},
     journal = {Documenta mathematica},
     pages = {147--169},
     publisher = {mathdoc},
     volume = {Andrei A. Suslin's Sixtieth Birthday},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2010__S4__a17/}
}