@article{1087568024,
author = {Havas, George and Robertson, Edmund F.},
title = {Irreducible Cyclic Presentations of the Trivial Group},
journal = {Experiment. Math.},
volume = {12},
number = {1},
year = {2003},
pages = { 487-490},
language = {en},
url = {http://dml.mathdoc.fr/item/1087568024}
}
Havas, George; Robertson, Edmund F. Irreducible Cyclic Presentations of the Trivial Group. Experiment. Math., Tome 12 (2003) no. 1, pp. 487-490. http://gdmltest.u-ga.fr/item/1087568024/