Axiomatizing the monodic fragment of first-order temporal logic

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\begin{bibtex} @article{DBLP:journals/apal/WolterZ02,

 author    = {Frank Wolter and
              Michael Zakharyaschev},
 title     = {Axiomatizing the monodic fragment of first-order temporal
              logic},
 journal   = {Ann. Pure Appl. Logic},
 volume    = {118},
 number    = {1-2},
 year      = {2002},
 pages     = {133-145},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}