Riphagen, W. Keywords: Public order | Private international law | Public international law | Public law | Mots clefs: Ordre public | Droit international privé | Droit international public | Droit public | ABSTRACT W. Riphagen points out in the introduction to his course that the relationship between public international law and private international law is not one of the issues of greatest concern to lawyers in the field; it has given rise to many theoretical debates. The author successively focuses on the technique of conflict …