Calderón, Alberto P.; Zygmund, Antoni Algebras of certain singular operators. (English) Zbl 0072.11601 Am. J. Math. 78, 310-320 (1956). Reviewer: A. Revuz MSC: 42B20 PDFBibTeX XMLCite \textit{A. P. Calderón} and \textit{A. Zygmund}, Am. J. Math. 78, 310--320 (1956; Zbl 0072.11601) Full Text: DOI
Calderón, Alberto P.; Zygmund, Antoni On singular integrals. (English) Zbl 0072.11501 Am. J. Math. 78, 289-309 (1956). Reviewer: A. Revuz MSC: 42B20 PDFBibTeX XMLCite \textit{A. P. Calderón} and \textit{A. Zygmund}, Am. J. Math. 78, 289--309 (1956; Zbl 0072.11501) Full Text: DOI