H
[HR03] Yoram Hirshfeld and Alexander Rabinovich. Future Temporal Logic Needs Infinitely Many Modalities. Information and Computation 187(2):196-208. Academic Press, December 2003. 
@article{icomp187(2)-HR,
  author =              {Hirshfeld, Yoram and Rabinovich, Alexander},
  title =               {Future Temporal Logic Needs Infinitely Many
                         Modalities},
  publisher =           {Academic Press},
  journal =             {Information and Computation},
  volume =              {187},
  number =              {2},
  pages =               {196-208},
  year =                {2003},
  month =               dec,
}
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