@article {Kevrekidis2007,
	title = {X, Y, and Z waves: Extended structures in nonlinear lattices},
	journal = {Physical Review E - Statistical, Nonlinear, and Soft Matter Physics},
	volume = {75},
	number = {1},
	year = {2007},
	note = {cited By 13},
	doi = {10.1103/PhysRevE.75.016607},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-33846338510\&doi=10.1103\%2fPhysRevE.75.016607\&partnerID=40\&md5=0553449d0f65c85efc199f38c8ee5c6d},
	author = {Kevrekidis, P. G. and Gagnon, J. and Frantzeskakis, DJ and Malomed, B. A.}
}
