1. (1) S. Sone: “Optimisation of Regenerative Train Operation—Pt.1 Contents of “Optima””, JIASC2001, Vol. 3, pp. 1281-1284 (2001) (in Japanese)
2. 曽根 悟:「電力回生車の最適運転法— その1『最適』の内容」, 平13電学産業応用部門全大, pp. 1281-1284 (2001)
3. On an optimal control problem of train operation
4. (3) H. Ko, T. Koseki, and M. Miyatake: “Numerical Study on Dynamic Programming Applied to Optimization of Running Profile of a Train”, JIASC2004, Vol. 3, pp. 271-276 (2004) (in Japanese)
5. 高 英聖·古関隆章·宮武昌史: 「動的計画法を用いた列車運転曲線最適化問題の求解法」, 平16電学産業応用部門全大, pp. 271-276 (2004)