@article {Crampe2013,
	title = {Quantum spins on star graphs and the Kondo model},
	journal = {Nuclear Physics B},
	volume = {871},
	number = {3},
	year = {2013},
	month = {jun},
	pages = {526–538},
	doi = {10.1016/j.nuclphysb.2013.03.001},
	author = {Crampe, N. and Trombettoni, A.}
}
