@article {Berti2008601,
	title = {On periodic elliptic equations with gradient dependence},
	journal = {Communications on Pure and Applied Analysis},
	volume = {7},
	number = {3},
	year = {2008},
	note = {cited By (since 1996)1},
	pages = {601-615},
	abstract = {We construct entire solutions of Δu = f(x, u, ∇u) which are superpositions of odd, periodic functions and linear ones, with prescribed integer or rational slope.},
	issn = {15340392},
	author = {Massimiliano Berti and Matzeu, M and Enrico Valdinoci}
}
