@proceedings {451811,
	title = {Understanding PPA-Completeness},
	journal = {The Proceedings of 31st Computational Complexity Conference (CCC 2016)},
	volume = {50},
	year = {2016},
	pages = {23:1--23:25},
	address = {Tokyo, Japan},
	url = {http://drops.dagstuhl.de/opus/volltexte/2016/5831/pdf/10.pdf},
	author = {Xiaotie Deng and Jack R. Edmonds and Zhe Feng and Zhengyang Liu and Qi Qi and Zeying Xu}
}
