About: http://webisa.webdatacommons.org/208507216

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 Kirchhoff's theorem is a classical result for counting the number of spanning trees in a graph.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net