%0 Journal Article %A John L. Lewis %A Kaj Nyström %T Quasi-linear PDEs and low-dimensional sets %J Journal of the European Mathematical Society %D 2018 %P 1689-1746 %V 20 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/797/ %R 10.4171/jems/797 %F JEMS_2018_20_7_a4