@article{oai:bunkyo.repo.nii.ac.jp:00003437, author = {Matsubara, Yasuo}, journal = {情報研究, Information and Communication Studies}, month = {1995-01-01, 2012-01-17}, note = {In this paper, the ability of the class ADF(∞), where an arc can hold any number of tokens, is investigated and is shown to be equivalent to EF as similar to the class ADF(1) where an arc can hold at most one token. Further, the class DFπ(∞)is shown to have an ability greater than or equal to that of the class DFarb(∞).}, pages = {187--208}, title = {ADF(∞) is also equivalent to EF}, volume = {16}, year = {} }