@article{AIHPA_1988__49_3_259_0, author = {Deruelle, Nathalie and Kyprianidis, Anastasios}, title = {Pr\'eface}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {259--260}, publisher = {Gauthier-Villars}, volume = {49}, number = {3}, year = {1988}, language = {en}, url = {http://www.numdam.org/item/AIHPA_1988__49_3_259_0/} }