@article{weko_67109_1, author = "Alexis,Goyet and Masami,Hagiya and Yoshinori,Tanabe", title = "Decidability and Undecidability Results of Modalμ-calculi with N∞ Semantics", journal = "情報処理学会論文誌プログラミング(PRO)", year = "2009", volume = "2", number = "5", pages = "46--46", month = "nov" }