@article{GDZPPN002404605, title = {A Note on a Theorem of Davis.}, journal = {Mathematische Zeitschrift}, volume = {111}, year = {1969}, pages = {211-212}, zbl = {0175.35103}, url = {http://dml.mathdoc.fr/item/GDZPPN002404605} }
Johnson, L.W.; Riess, R.D. A Note on a Theorem of Davis.. Mathematische Zeitschrift, Tome 111 (1969) pp. 211-212. http://gdmltest.u-ga.fr/item/GDZPPN002404605/