About: http://webisa.webdatacommons.org/34916375

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The 1930???s and 1940???s were a relatively quiet time for Fourier analysis, but, beginning in the 1950???s, the focus of Fourier analysis became singular integrals pioneered by Calder??n and Zygmund.
http://www.w3.org/ns/prov#wasQuotedFrom	brynmawr.edu