A new look at the proof of \$ {K} \$-theoretic amenability for groups acting on trees. Julg, P. Bulletin of the Belgian Mathematical Society-Simon Stevin, 22(2):263–269, 2015.
bibtex   
@article{julg_new_2015,
	title = {A new look at the proof of \$ {K} \$-theoretic amenability for groups acting on trees},
	volume = {22},
	number = {2},
	journal = {Bulletin of the Belgian Mathematical Society-Simon Stevin},
	author = {Julg, Pierre},
	year = {2015},
	pages = {263--269},
}

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