M
[MSS86] David E. Muller, Ahmed Saoudi, and Paul E. Schupp. Alternating Automata, the Weak Monadic Theory of the Tree, and its Complexity. In ICALP'86, Lecture Notes in Computer Science 226, pages 275-283. Springer-Verlag, July 1986. 
@inproceedings{icalp1986-MSS,
  author =              {Muller, David E. and Saoudi, Ahmed and Schupp, Paul
                         E.},
  title =               {Alternating Automata, the Weak Monadic Theory of the
                         Tree, and its Complexity},
  editor =              {Kott, Laurent},
  booktitle =           {{P}roceedings of the 13th {I}nternational
                         {C}olloquium on {A}utomata, {L}anguages and
                         {P}rogramming ({ICALP}'86)},
  acronym =             {{ICALP}'86},
  publisher =           {Springer-Verlag},
  series =              {Lecture Notes in Computer Science},
  volume =              {226},
  pages =               {275-283},
  year =                {1986},
  month =               jul,
}
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