%0 Journal Article %A Filippo Callegaro %A Davide Moroni %A Mario Salvetti %T The $K(\pi,1)$ problem for the affine Artin group of type $\widetilde{B}_n$ and its cohomology %J Journal of the European Mathematical Society %D 2010 %P 1-22 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/187/ %R 10.4171/jems/187 %F JEMS_2010_12_1_a0