<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/category/Ehrig88" mdate="2002-07-26">
<author>Hartmut Ehrig</author>
<title>Categorical Concept of Constraints for Algebraic Specifications.</title>
<pages>1-15</pages>
<year>1988</year>
<crossref>conf/category/1988</crossref>
<booktitle>Categorial Methods in Computer Science</booktitle>
<url>db/conf/category/category1988.html#Ehrig88</url>
</inproceedings>
</dblp>
