Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Operaattori-fi#Sense
Operator-en#Sense
Operator-de#Sense
Operador-pt#Sense
Τελεστής-el#Sense
Opérateur-fr#Sense
Operador-es#Sense
Operatore-it#Sense
Operator-sv#Sense
Operator-da#Sense
Operator-nl#Sense