@article{1077474142, author = {Hsu, L. C.}, title = {Abstract theory of inversion of iterated summations}, journal = {Duke Math. J.}, volume = {14}, number = {1}, year = {1947}, pages = { 465-473}, language = {en}, url = {http://dml.mathdoc.fr/item/1077474142} }
Hsu, L. C. Abstract theory of inversion of iterated summations. Duke Math. J., Tome 14 (1947) no. 1, pp. 465-473. http://gdmltest.u-ga.fr/item/1077474142/