%0 Journal Article %T A new approach to the complex Helmholtz equation with applications to diffusion wave fields, impedance spectroscopy and unsteady Stokes flow %A Hauge, Jordan C %A Crowdy, Darren %J IMA Journal of Applied Mathematics %V 86 %N 6 %P 1287-1326 %@ 0272-4960 %D 2021-11-05 %I Oxford University Press %~ DeepDyve