Opinion of the European Central Bank of 7 March 2012 on strengthened economic governance of the euro area (CON/2012/18)
OJ C 141, 17.5.2012, p. 7–24 (BG, ES, CS, DA, DE, ET, EL, EN, FR, IT, LV, LT, HU, MT, NL, PL, PT, RO, SK, SL, FI, SV)