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Wei, Ruiying; Yao, Zheng-an; Li, Yin . (2014). Regularity Criterion for the Nematic Liquid Crystal Flows in Terms of Velocity. Abstract and Applied Analysis, 2014(), 1–4. doi:10.1155/2014/234809 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research