@article{1102644778,
author = {Arnold, D. M. and Vinsonhaler, C. I.},
title = {Duality and invariants for Butler groups.},
journal = {Pacific J. Math.},
volume = {151},
number = {2},
year = {1991},
pages = { 1-10},
language = {en},
url = {http://dml.mathdoc.fr/item/1102644778}
}
Arnold, D. M.; Vinsonhaler, C. I. Duality and invariants for Butler groups.. Pacific J. Math., Tome 151 (1991) no. 2, pp. 1-10. http://gdmltest.u-ga.fr/item/1102644778/