並前往http://www.ioc.u-tokyo.ac.jp/~suga/papers/Yutaka_Suga_2012_%E8%8F%85%E4%B8%B0_%E6%97%A5%E6%9C%AC%E8%8A%82%E6%97%A5%E6%96%87%E5%8C%96%E7%9A%84%E7%8E%B0%E4%BB%A3%E5%BD%A2%E6%80%81_%E4%BB%A5%E6%97%A5%E6%9C%AC%E9%83%BD%E5%B8%82%E7%9A%84%E5%85%83%E6%97%A6%E6%96%87%E5%8C%96%E6%94%B9%E7%BC%96%E4%B8%BA%E9%A2%98%E6%9D%90.pdf