@article {Kevrekidis200387,
	title = {Higher-order lattice diffraction: Solitons in the discrete NLS equation with next-nearest-neighbor interactions},
	journal = {Physica D: Nonlinear Phenomena},
	volume = {183},
	number = {1-2},
	year = {2003},
	note = {cited By 20},
	pages = {87-101},
	doi = {10.1016/S0167-2789(03)00178-7},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-0042976626\&doi=10.1016\%2fS0167-2789\%2803\%2900178-7\&partnerID=40\&md5=550c12c7bb9dfaaa281e30c42d258657},
	author = {Kevrekidis, P. G. and Malomed, B. A. and Saxena, A. and Bishop, A.R. and Frantzeskakis, DJ}
}
