@article{GDZPPN002477149, title = {A Note on Saalsch\"utzian Double Series.}, journal = {Monatshefte f\"ur Mathematik}, volume = {74}, year = {1970}, pages = {385-388}, zbl = {0201.38901}, url = {http://dml.mathdoc.fr/item/GDZPPN002477149} }
Carlitz, L. A Note on Saalschützian Double Series.. Monatshefte für Mathematik, Tome 74 (1970) pp. 385-388. http://gdmltest.u-ga.fr/item/GDZPPN002477149/