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Zhang, Yanke; Jiang, Zhiqiang; Ji, Changming; Sun, Ping . (2015). Contrastive analysis of three parallel modes in multi-dimensional dynamic programming and its application in cascade reservoirs operation. Journal of Hydrology, 529(), 22–34. doi:10.1016/j.jhydrol.2015.07.017 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research