About: http://webisa.webdatacommons.org/164344610

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	If one of the functions or is a constant, the Poisson bracket vanishes
http://www.w3.org/ns/prov#wasQuotedFrom	mathematica-journal.com