++++ 1 . COMPETITION - DOMINANT POSITION WITHIN THE MARKET - COPYRIGHTS - EXPLOITATION BY AN UNDERTAKING - ABUSE - COMPETENCE OF THE NATIONAL COURT ( EEC TREATY, ARTICLE 86 ) 2 . COMPETITION - COMMUNITY RULES - DEROGATION - UNDERTAKINGS ENTRUSTED WITH THE OPERATION OF SERVICES OF GENERAL ECONOMIC INTEREST - DEFINITION - STRICT INTERPRETATION - COMPETENCE OF THE NATIONAL COURT ( EEC TREATY, ARTICLE 90 ( 2 ))