TY  - JOUR
AU  - Heuter, Uschi
TI  - First-order properties of trees, star-free expressions, and aperiodicity
JO  - RAIRO. Informatique théorique et applications
PY  - 1991
SP  - 125
EP  - 145
VL  - 25
IS  - 2
PB  - EDP-Sciences
UR  - https://www.numdam.org/item/ITA_1991__25_2_125_0/
LA  - en
ID  - ITA_1991__25_2_125_0
ER  -