@article{GDZPPN002402335, title = {On a Conjecture of Samuel.}, journal = {Mathematische Zeitschrift}, volume = {105}, year = {1968}, pages = {157-159}, zbl = {0159.05104}, url = {http://dml.mathdoc.fr/item/GDZPPN002402335} }
Singh, Balwant. On a Conjecture of Samuel.. Mathematische Zeitschrift, Tome 105 (1968) pp. 157-159. http://gdmltest.u-ga.fr/item/GDZPPN002402335/