@article{10_1017_S2040618500034870, author = {Williams, W. E.}, title = {The solution of dual series and dual integral equations}, journal = {Glasgow mathematical journal}, pages = {123--129}, year = {1964}, volume = {6}, number = {3}, doi = {10.1017/S2040618500034870}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034870/} }