The Structure of Lattices of Subframe Logics
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\begin{bibtex} @article{DBLP:journals/apal/Wolter97,
author = {Frank Wolter},
title = {The Structure of Lattices of Subframe Logics},
journal = {Ann. Pure Appl. Logic},
volume = {86},
number = {1},
year = {1997},
pages = {47-100},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
\end{bibtex}
