About: http://webisa.webdatacommons.org/370150797

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	It is easy to see that is a solution of if and only if is a solution of the following system:
http://www.w3.org/ns/prov#wasQuotedFrom	boundaryvalueproblems.com