@article {Pelinovsky200520,
	title = {Persistence and stability of discrete vortices in nonlinear Schr{\"o}dinger lattices},
	journal = {Physica D: Nonlinear Phenomena},
	volume = {212},
	number = {1-2},
	year = {2005},
	note = {cited By 98},
	pages = {20-53},
	doi = {10.1016/j.physd.2005.09.015},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-27744573980\&doi=10.1016\%2fj.physd.2005.09.015\&partnerID=40\&md5=ac53439b15a2aa40d4688704c338faf8},
	author = {Pelinovsky, D.E. and Kevrekidis, P. G. and Frantzeskakis, DJ}
}
