@article{1102906373, author = {Helton, Jon C.}, title = {Mutual existence of sum and product integrals.}, journal = {Pacific J. Math.}, volume = {61}, number = {2}, year = {1975}, pages = { 495-516}, language = {en}, url = {http://dml.mathdoc.fr/item/1102906373} }
Helton, Jon C. Mutual existence of sum and product integrals.. Pacific J. Math., Tome 61 (1975) no. 2, pp. 495-516. http://gdmltest.u-ga.fr/item/1102906373/