Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "French-German Conference on Optimization and Dolecki, Szymon","Optimization : proceedings of the Fifth French-German Conference, held in Castel-Novel (Varetz), France, Oct. 3-8, 1988",,Springer-Verlag,1989,Lecture notes in mathematics,,"354051970X,038751970X",,https://cir.nii.ac.jp/crid/1130000794721613184