1 - Approximate methods in optimization problems |
2 - Introduction to minimax |
3 - Nonsmooth optimization and related topics : Proceedings of the fourth course of the international school of mathematics on sonsmooth optimization and related topics, held June 20-July 1, 1988, in Erice, Sicily, Italy |
4 - Thirteen papers on group theory, algebraic geometry and algebraic topology |
5 - Twelve papers on topology, algebra and number theory |