%0 Journal Article %A Tim D. Browning %A David Rodney Heath-Brown %T Forms in many variables and differing degrees %J Journal of the European Mathematical Society %D 2017 %P 357-394 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/668/ %R 10.4171/jems/668 %F JEMS_2017_19_2_a1