TY - JOUR AU - Ross, Rockford AU - Winklmann, Karl TI - Repetitive strings are not context-free JO - RAIRO. Informatique théorique PY - 1982 DA - 1982/// SP - 191 EP - 199 VL - 16 IS - 3 PB - EDP-Sciences UR - http://archive.numdam.org/item/ITA_1982__16_3_191_0/ UR - https://zbmath.org/?q=an%3A0489.68071 UR - https://www.ams.org/mathscinet-getitem?mr=686912 LA - en ID - ITA_1982__16_3_191_0 ER -