'relative:variable ref'

http://finregont.com/fro/xbrl/formula/relative.ttl#variableRef
Property 'relative:variable ref'

sxml:tag

http://xbrl.org/2008/filter/relative#variable

rdf:type

owl:ObjectProperty

rdfs:label

variable ref

References
as rdfs:subClassOf (relative:Relative filter, relative:Relative filter)