@article{DBLP:journals/eik/Simon83a,
author = {Hans-Ulrich Simon},
title = {Classes of X-functions Reducing Pattern Matching on Nets
to Pattern Matching on Forests of Binary Trees},
journal = {Elektronische Informationsverarbeitung und Kybernetik},
volume = {19},
number = {9},
year = {1983},
pages = {465-479},
bibsource = {DBLP, http://dblp.uni-trier.de}
}