Boche, H. “Ein Problem Von A. Papoulis Bezüglich Der Bandbegrenzten Interpolation: A Problem by A. Papoulis Regarding Band-Limited Interpolation”. Rev. Anal. Numér. Théor. Approx., vol. 27, no. 2, Aug. 1998, pp. 203-17, https://ictp.acad.ro/jnaat/journal/article/view/1998-vol27-no2-art2.