Judgment of the Court of 18 October 1990 in Joined Cases C-297/88 and C-197/89 (references for preliminary rulings made by the Tribunal de Premiere Instance de Bruxelles and the Cour d'Appel de Bruxelles): Massam Dzodzi v. Belgian State (Preliminary rulings — Jurisdiction of the Court — Reference by national law to Community provisions — Right of residence — Right to remain — Directive 64/221/EEC)