@article{GDZPPN00239524X, title = {Supplements of direct powers in cartesian powers.}, journal = {Mathematische Zeitschrift}, volume = {87}, year = {1965}, pages = {17-18}, zbl = {0136.27403}, url = {http://dml.mathdoc.fr/item/GDZPPN00239524X} }
Neumann, B.H. Supplements of direct powers in cartesian powers.. Mathematische Zeitschrift, Tome 87 (1965) pp. 17-18. http://gdmltest.u-ga.fr/item/GDZPPN00239524X/