@article{JEMS_2017_19_2_a1,
     author = {Tim D. Browning and David Rodney Heath-Brown},
     title = {Forms in many variables and differing degrees},
     journal = {Journal of the European Mathematical Society},
     pages = {357--394},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2017},
     doi = {10.4171/jems/668},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/668/}
}