Szászy, István Keywords: Developing countries | Droit interpersonnel | Mots clefs: Pays en voie de développement | Droit interpersonnel | ABSTRACT Istvan Szaszy introduces his course with a presentation of the legal rules in general. He then examines the general principles of the solution of the various types of conflict of laws in general, and in developing Countries. Finally, he focuses on the conflict of interpersonal laws from different perspectives and in various countries in Asia, Africa, America, and Oceania. István Szászy introduit son cours par une présentation des…