@ARTICLE
        { ON18,
	  TITLE = "RePair and All Irreducible Grammars are Upper Bounded by 
		   High-Order Empirical Entropy",
          AUTHOR = "C. Ochoa and G. Navarro",
	  JOURNAL = "IEEE Transactions on Information Theory",
	  VOLUME = 65,
	  NUMBER = 5,
	  PAGES = "3160--3164", 
	  YEAR = 2019,
	}