Special Factors and Uniqueness Conditions in Rational Trees, Theory of Computing Systems, pp.375-395, 2001. ,
DOI : 10.1007/s00224-001-1006-6
Fundamental properties of infinite trees, Theoretical Computer Science, vol.25, issue.2, pp.95-165, 1983. ,
DOI : 10.1016/0304-3975(83)90059-2
Sequences with minimal block growth, Mathematical Systems Theory, vol.62, issue.2, pp.138-153, 1973. ,
DOI : 10.1007/BF01762232
Algebraic Combinatorics on Words, volume 90 of Encyclopedia of Mathematics, 2002. ,
Substitutions in Dynamics, Arithmetics and Combinatorics Lecture Notes in Mathematics, vol.1794, 2002. ,