西関隆夫
M Ito, A Saito, T Nishizeki, Secret sharing scheme realizing general access structure, Electronics and Communications in Japan, Volume 72, Issue 9, pages 56–64, (1989). http://onlinelibrary.wiley.com/doi/10.1002/ecjc.4430720906/abstract
N Chiba, T Nishizeki, S Abe, T Ozawa, N Chiba, T Nishizeki, S Abe, T Ozawa, Journal of Computer and System Sciences, Volume 30, Issue 1, pages 54–76 (1985). http://www.sciencedirect.com/science/article/pii/0022000085900042