%0 Journal Article %A Robert Young %T Filling inequalities for nilpotent groups through approximations %J Groups, geometry, and dynamics %D 2013 %P 977-1011 %V 7 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/213/ %R 10.4171/ggd/213 %F 10_4171_ggd_213