A linear-time algorithm to decide whether a binary word contains an overlap
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 22 (1988) no. 2, pp. 135-145. 
@article{ITA_1988__22_2_135_0,
     author = {Kfoury, A. J.},
     title = {A linear-time algorithm to decide whether a binary word contains an overlap},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {135--145},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {2},
     year = {1988},
     mrnumber = {951335},
     zbl = {0645.68087},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1988__22_2_135_0/}
}
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Kfoury, A. J. A linear-time algorithm to decide whether a binary word contains an overlap. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 22 (1988) no. 2, pp. 135-145. http://www.numdam.org/item/ITA_1988__22_2_135_0/

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