Yen, Di-DeDi-DeYenHSU-CHUN YEN2020-06-162020-06-162019https://scholars.lib.ntu.edu.tw/handle/123456789/502431Characterizing the Valuedness of Two-Way Finite Transducers.conference paper10.1007/978-3-030-24886-4_7https://doi.org/10.1007/978-3-030-24886-4_7