@article{1077491088, author = {Ore, Oystein}, title = {A remark on the normal decompositions of groups}, journal = {Duke Math. J.}, volume = {5}, number = {1}, year = {1939}, pages = { 172-173}, language = {en}, url = {http://dml.mathdoc.fr/item/1077491088} }
Ore, Oystein. A remark on the normal decompositions of groups. Duke Math. J., Tome 5 (1939) no. 1, pp. 172-173. http://gdmltest.u-ga.fr/item/1077491088/