About: http://webisa.webdatacommons.org/22362868

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 disk is the simplest example of a quadrature domain since the integral of a holomorphic function over the domain is determined by the value at a single point.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net