http://hdl.handle.net/10338.dmlcz/130033 5 http://hdl.handle.net/10338.dmlcz/134447 Book Reviews http://hdl.handle.net/10338.dmlcz/134446 Second-order optimality conditions for nondominated solutions of multiobjective programming with $C^{1,1}$ data http://hdl.handle.net/10338.dmlcz/134445 Finite element analysis of a static contact problem with Coulomb friction http://hdl.handle.net/10338.dmlcz/134444 Two mappings related to semi-inner products and their applications in geometry of normed linear spaces