The Origins of Modern Modal Logic

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\begin{bibtex} @inproceedings{DBLP:conf/aiml/ZakharyaschevSRW98,

 author    = {Michael Zakharyaschev and
              Krister Segerberg and
              Maarten de Rijke and
              Heinrich Wansing},
 title     = {The Origins of Modern Modal Logic},
 booktitle = {Advances in Modal Logic},
 year      = {1998},
 crossref  = {DBLP:conf/aiml/1998},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}