@article{1103037561, author = {Wright, C. R. B.}, title = {On the nilpotency class of a group of exponent four.}, journal = {Pacific J. Math.}, volume = {11}, number = {4}, year = {1961}, pages = { 387-394}, language = {en}, url = {http://dml.mathdoc.fr/item/1103037561} }
Wright, C. R. B. On the nilpotency class of a group of exponent four.. Pacific J. Math., Tome 11 (1961) no. 4, pp. 387-394. http://gdmltest.u-ga.fr/item/1103037561/