@unpublished {40680,
	title = {算术动力系统},
	year = {2026},
	note = {基于谢俊逸在大连的动力系统与微分方程暑期学校的讲义。},
	url = {http://scholar.pku.edu.cn/sites/default/files/xiejunyi/files/da_lian_dong_li_xi_tong_jiang_yi_.pdf},
	author = {Jiarui Song and Junyi Xie}
}
