@InProceedings{l08-p182-193, AUTHOR = {Arvind Gupta and Pavol Hell and Mehdi Karimi and Arash Rafiey}, TITLE = {Minimum Cost Homomorphisms to Reflexive Digraphs}, YEAR = 2008, BOOKTITLE = {Proc.~of the 8th Latin American Symposium on Theoretical Informatics (LATIN'08)}, ADDRESS = {B\'uzios, Brazil}, PAGES = {182--193}, KEYWORDS = {}}