@article{urn:eudml:doc:43975, title = {Multiple sums and generating functions.}, journal = {Collectanea Mathematica}, year = {1965}, zbl = {0161.01203}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:43975} }
Carlitz, L. Multiple sums and generating functions.. Collectanea Mathematica, (1965), . http://gdmltest.u-ga.fr/item/urn:eudml:doc:43975/