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Global supply-chain effects of COVID-19 control measures 期刊论文
NATURE HUMAN BEHAVIOUR, 2020, 页码: 13
Authors:  Guan, Dabo;  Wang, Daoping;  Hallegatte, Stephane;  Davis, Steven J.;  Huo, Jingwen;  Li, Shuping;  Bai, Yangchun;  Lei, Tianyang;  Xue, Qianyu;  Coffman, D'Maris;  Cheng, Danyang;  Chen, Peipei;  Liang, Xi;  Xu, Bing;  Lu, Xiaosheng;  Wang, Shouyang;  Hubacek, Klaus;  Gong, Peng
Favorite  |  View/Download:35/0  |  Submit date:2020/06/30
二阶非线性中立型时滞微分方程的振动性 期刊论文
数学物理学报. A辑, 2019, 卷号: 39, 期号: 4, 页码: 797-811
Authors:  仉志余;  俞元洪;  李淑萍;  乔士柱
Favorite  |  View/Download:13/0  |  Submit date:2021/01/14
二阶非线性微分方程  半线性微分方程  Emden-Fowler方程  中立型  Riccati变换  振动准则