@article{01369933, title = {The number of solutions of }, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {283-311}, doi = {10.2307/121103}, zbl = {0978.11053}, language = {en}, url = {http://dml.mathdoc.fr/item/01369933} }
Ford, Kevin. The number of solutions of . Annals of Mathematics. Second Series, Tome 150 (1999) pp. 283-311. doi : 10.2307/121103. http://gdmltest.u-ga.fr/item/01369933/