1. On the center of a convex set;Brodskii;Dokl. Akad. Nauk SSSR (N. S.),1948
2. The generalized Day norm. Part I. Properties;Budzyńska;Ann. Univ. Mariae Curie-Skłodowska Sect. A,2017
3. The generalized Day norm. Part II. Applications;Budzyńska;Ann. Univ. Mariae Curie-Skłodowska Sect. A,2017
4. Geometry of Banach Spaces — Selected Topics;Diestel,1975
5. Simple problems on maximal and minimal convex sets, trivial or nontrivial solutions?;Domínguez Benavides;J. Nonlinear Convex Anal.,2017