@article{02135728,
title = {Irreducible cyclic presentations of the trivial group.},
journal = {Experimental Mathematics},
volume = {12},
year = {2003},
pages = {487-490},
doi = {10.1080/10586458.2003.10504516},
zbl = {1062.20036},
language = {en},
url = {http://dml.mathdoc.fr/item/02135728}
}
Havas, George; Robertson, Edmund F. Irreducible cyclic presentations of the trivial group.. Experimental Mathematics, Tome 12 (2003) pp. 487-490. doi : 10.1080/10586458.2003.10504516. http://gdmltest.u-ga.fr/item/02135728/