by Manolis Christodoulakis, Michalis Christou, Maxime Crochemore, Costas S. Iliopoulos
Reference:
Overlapping factors in words (Manolis Christodoulakis, Michalis Christou, Maxime Crochemore, Costas S. Iliopoulos), In Australasian Journal of Combinatorics, volume 57, 2013.
Bibtex Entry:
@article{overlapfac,
title = "Overlapping factors in words",
journal = "Australasian Journal of Combinatorics",
year = "2013",
volume = "57",
pages "49--64",
author = "Manolis Christodoulakis and Michalis Christou and Maxime Crochemore and Costas S. Iliopoulos"
}