About: http://webisa.webdatacommons.org/416172087

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	Bott and Tu's book on Differential Forms in Algebraic Topology is a good start.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net