Monsieur le President Letter by the World Federation of Democratic Youth (WFDY/PODN) on nuclear weapons and tests - Debre Michel; Debre Michel; Republique Francaise / Conseil des Ministres; French Republic - Council of Ministers; Pieralli Piero; Pieralli Piero; F.M.J.D. (Federation Mondiale de la Jeunesse Democratique); World Federation of Democratic Youth (WFDY/PODN)