@article{01566551,
title = {Weakly self-avoiding words and a construction of Friedman.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {8},
year = {2001},
zbl = {0966.68164},
language = {en},
url = {http://dml.mathdoc.fr/item/01566551}
}
Shallit, Jeffrey; Wang, Ming-wei. Weakly self-avoiding words and a construction of Friedman.. The Electronic Journal of Combinatorics [electronic only], Tome 8 (2001) . http://gdmltest.u-ga.fr/item/01566551/