About: http://webisa.webdatacommons.org/41857020

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	A sphere is a special case of a toric in which the two radii of curvature are equal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com