1 http://hdl.handle.net/10338.dmlcz/142541 1 Hochfeste Werkstoffe http://hdl.handle.net/10338.dmlcz/142547 Hochfeste Werkstoffe On the open mapping principle and convex multivalued mappings http://hdl.handle.net/10338.dmlcz/142546 On the open mapping principle and convex multivalued mappings Transient phenomena and self-optimizing control of Markov chains http://hdl.handle.net/10338.dmlcz/142545 Transient phenomena and self-optimizing control of Markov chains $N$-pure-high subgroups of abelian groups http://hdl.handle.net/10338.dmlcz/142544 $N$-pure-high subgroups of abelian groups