%0 Journal Article %A István Heckenberger %A Leandro Vendramin %T The classification of Nichols algebras over groups with finite root system of rank two %J Journal of the European Mathematical Society %D 2017 %P 1977-2017 %V 19 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/711/ %R 10.4171/jems/711 %F JEMS_2017_19_7_a2