Diaconu, Adrian. “Remarks on Interpolation in Certain Linear Spaces (III)”. Rev. Anal. Numér. Théor. Approx. 35, no. 1 (February 1, 2006): 41–51. Accessed December 21, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2006-vol35-no1-art6.