Ikegami, D. & Trang, N., 2021, Advances in Mathematical Logic - Dedicated to the Memory of Professor Gaisi Takeuti, SAML 2018, Selected, Revised Contributions. Arai, T., Kikuchi, M., Kuroda, S., Okada, M. & Yorioka, T. (eds.). Springer, p. 27-4519 p. (Springer Proceedings in Mathematics and Statistics; vol. 369).
Van Benthem, J. & Ikegami, D., 2008 8月 27, Pillars of Computer Science - Essays Dedicated to Boris (Boaz) Trakhtenbrot on the Occasion of His 85th Birthday. Avron, A., Dershowitz, N. & Rabinovich, A. (eds.). p. 146-16520 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4800 LNCS).