@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040008,
 author = {Adachi, Takanori and Miura, Ryozo and Nakagawa, Hidetoshi},
 issue = {1},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {Jul},
 pages = {147--170},
 title = {A New Characterization of Random Times for Specifying Information Delay},
 volume = {20},
 year = {2013}
}