Measurement of the ratio of the inclusive 3-jet cross section to the inclusive 2-jet cross section in pp collisions at $\sqrt{s} = 7\ \mathrm{TeV}$ and first determination of the strong coupling constant in the TeV range
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
am, ch, at, by, be, br (code pays fourni par la source)