@article{GDZPPN002388189, title = {The Factorial Function for Isols.}, journal = {Mathematische Zeitschrift}, volume = {70}, year = {1958}, pages = {250-262}, zbl = {0084.01001}, url = {http://dml.mathdoc.fr/item/GDZPPN002388189} }
Dekker, J.C.E. The Factorial Function for Isols.. Mathematische Zeitschrift, Tome 70 (1958) pp. 250-262. http://gdmltest.u-ga.fr/item/GDZPPN002388189/