@article{05019283, title = {On variants of a theorem of Schur.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2005}, year = {2005}, pages = {3269-3272}, doi = {10.1155/IJMMS.2005.3269}, zbl = {1087.20027}, language = {en}, url = {http://dml.mathdoc.fr/item/05019283} }
Hilton, Peter. On variants of a theorem of Schur.. International Journal of Mathematics and Mathematical Sciences, Tome 2005 (2005) pp. 3269-3272. doi : 10.1155/IJMMS.2005.3269. http://gdmltest.u-ga.fr/item/05019283/