1. Polyhedral norms and related properties in infinite-dimensional Banach spaces: a survey;Durier;Atti Semin. Mat. Fis. Univ. Modena,1992
2. Best approximation in polyhedral Banach spaces;Fonf;J. Approx. Theory,2011
3. Infinite-dimensional polyhedrality;Fonf;Canad. J. Math.,2004
4. On the optimal net and best cross-section of a set in a normed space;Garkavi;Izv. Akad. Nauk SSSR Ser. Mat.,1962
5. Subdifferentials of convex functions;Ioffe;Trans. Moscow Math. Soc.,1972