@article{JEMS_2007_9_3_a4,
     author = {Mei-Chu Chang and Jozsef Solymosi},
     title = {Sum-product theorems and incidence geometry},
     journal = {Journal of the European Mathematical Society},
     pages = {545--560},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {2007},
     doi = {10.4171/jems/87},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/87/}
}