Mathematical Inequalities & Applications · Volume 20, Issue 3 Separation theorems for nonconvex sets in spaces with non-symmetric seminorm 20-47 Pages 737-754 DOI 10.7153/mia-20-47 Downloads Short PDF Full PDF PNG Authors G. E. Ivanov M. S. Lopushanski Keywords weakly convex sets prox-regular sets quasiball non-symmetric seminorm Subject classes 41A50 41A65 52A21