Mikkola, Kalle M. “Fourier Multipliers for L2 Functions With Values in Nonseparable Hilbert Spaces and Operator Valued Hp Boundary Values”. Annales Fennici Mathematici 33, no. 1 (February 1, 2008): 121–130. Accessed November 25, 2024. https://afm.journal.fi/article/view/135221.