@conference {Li2021,
	title = {Distributed Circle Formation Control for Quadrotors Based on Multi-agent Deep Reinforcement Learning},
	booktitle = {2021 China Automation Congress (CAC)},
	year = {2021},
	month = {oct},
	pages = {4750{\textendash}4755},
	publisher = {IEEE},
	organization = {IEEE},
	isbn = {978-1-6654-2647-3},
	doi = {10.1109/CAC53003.2021.9727879},
	url = {https://ieeexplore.ieee.org/document/9727879/},
	author = {Li, Baowei and Li, Shuai and Chen Wang and Fan, Ruifeng and Shao, Jinyan and Xie, Guangming}
}
