About: http://webisa.webdatacommons.org/251724191

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 geometer Branko Gr??nbaum has dealt with the problem of types of diagonals" by using a new word to distinguish situations when one has a plane non-self-intersecting polygon.
http://www.w3.org/ns/prov#wasQuotedFrom	ams.org