Malintoppi, †Antonio Keywords: Labor | Private international law | Mots clefs: Travail | Droit international privé | ABSTRACT In his course, Antonio Malintoppi, Professor at the University of Florence, describes the work relations as a characterized legal relation established between a worker and an employer in accordance with the law. It is therefore a well-defined as well as technical concept. The author places the work relations always in the context of labor law. In order to carry out his study, Professor Mal…