@article {Wang2009,
	title = {Two-dimensional paradigm for symmetry breaking: The nonlinear Schr{\"o}dinger equation with a four-well potential},
	journal = {Physical Review E - Statistical, Nonlinear, and Soft Matter Physics},
	volume = {80},
	number = {4},
	year = {2009},
	note = {cited By 31},
	doi = {10.1103/PhysRevE.80.046611},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-70449086079\&doi=10.1103\%2fPhysRevE.80.046611\&partnerID=40\&md5=8803a48eee1e7e18b100285d68922944},
	author = {Wang, C and Theocharis, G. and Kevrekidis, P. G. and Whitaker, N. and Law, K.J.H. and Frantzeskakis, DJ and Malomed, B. A.}
}
