@article{1102868443, author = {Miller, Michael D.}, title = {On the lattice of normal subgroups of a direct product.}, journal = {Pacific J. Math.}, volume = {61}, number = {2}, year = {1975}, pages = { 153-158}, language = {en}, url = {http://dml.mathdoc.fr/item/1102868443} }
Miller, Michael D. On the lattice of normal subgroups of a direct product.. Pacific J. Math., Tome 61 (1975) no. 2, pp. 153-158. http://gdmltest.u-ga.fr/item/1102868443/