@article{ Solr-acta12191, title = {On the semigroup of automaton mappings with finite alphabet}, series = {Acta cybernetica}, author = {Dömösi Pál}, year = {1972}, url = {http://acta.bibl.u-szeged.hu/12191/1/cybernetica_001_fasc_004_251-254.pdf} }