@InProceedings{l16-605-618, AUTHOR = {Victor Marsault and Jacques Sakarovitch}, TITLE = {Trees and Languages with Periodic Signature}, YEAR = {2016}, BOOKTITLE = {Proc.~of the 12th Latin American Symposium on Theoretical Informatics (LATIN'16)}, ADDRESS = {Ensenada, Mexico}, PAGES = {605--618}, KEYWORDS = {}}