Functionals on the Space of Solutions to a Differential Equation with Constant Coefficients. The Fourier and Borel Transformations.

C. O. Kiselman, “Functionals on the Space of Solutions to a Differential Equation with Constant Coefficients. The Fourier and Borel Transformations”., Math. Scand., vol. 23, pp. 27–53, Jun. 1968, doi: 10.7146/math.scand.a-10895.