About: http://webisa.webdatacommons.org/9634054

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	Consider the subset B of R of all elements of the form ra + na, where r and a are ring ele- ments and n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov