Les représentations des impératrices romaines en Euthénia sur les monnaies d'Alexandrie. Concept moderne ou réalité? - - Jentel, Marie-Odile (Subject and ruler. The cult of the ruling power in classical antiquity. Papers presented at a conference held in the University of Alberta on April 13 - 15, 1994, to celebrate the 65th anniversary of Duncan Fishwick)