@article{Cobzaş_1980, title={Non convex optimization problems on weakly compact subsets of Banach spaces}, volume={9}, url={https://ictp.acad.ro/jnaat/journal/article/view/1980-vol9-no1-art3}, abstractNote={Not available.}, number={1}, journal={Anal. Numér. Théor. Approx.}, author={Cobzaş, Ş.}, year={1980}, month={Feb.}, pages={19–25} }