1 http://hdl.handle.net/10338.dmlcz/127249 1 Sixty years of Professor Vlastimil Dlab http://hdl.handle.net/10338.dmlcz/128376 Sixty years of Professor Vlastimil Dlab Characterizing the maximum genus of a connected graph http://hdl.handle.net/10338.dmlcz/128386 Characterizing the maximum genus of a connected graph Irreducible Belousov equations on quasigroups http://hdl.handle.net/10338.dmlcz/128378 Irreducible Belousov equations on quasigroups On a variety of infinite algebras http://hdl.handle.net/10338.dmlcz/128384 On a variety of infinite algebras