@ARTICLE { AUTHOR = "Carlos Ochoa and Gonzalo Navarro", TITLE ="RePair and All Irreducible Grammars are Upper Bounded by High-Order Empirical Entropy", JOURNAL = "IEEE Transactions on Information Theory (TIT)", VOLUME = "65", NUMBER = "5", PAGES = "3160-3164", YEAR = "2019", PUBLISHER = "IEEE Press", ADDRESS = "Piscataway, NJ, USA", ISSN = "0018-9448" }