"Masaru Ito","A Unifying Framework of Subgradient-Based Methods for Structured Convex Optimization Problems",,,,,,,2017,Sept. "Masaru Ito","A Unifying Framework of Subgradient-Based Methods for Structured Convex Optimization Problems",,,,,,,2017,Sept. "Masaru Ito","A Unifying Framework of Subgradient-Based Methods for Structured Convex Optimization Problems",,,,,,,2017,Sept.