%0 Journal Article %A Evgeny Mukhin %A Vitaly Tarasov %A Alexander Varchenko %T The B. and M. Shapiro conjecture in real algebraic geometry and the Bethe ansatz %J Annals of mathematics %D 2009 %P 863-881 %V 170 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.863/ %R 10.4007/annals.2009.170.863 %G en %F 10_4007_annals_2009_170_863