@article{10_37236_2365,
     author = {Irina A. Gorbunova},
     title = {Repetition threshold for circular words},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {4},
     doi = {10.37236/2365},
     zbl = {1266.68148},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2365/}
}