@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/