2 http://hdl.handle.net/10338.dmlcz/116827 2 Summaries of articles published in this issue http://hdl.handle.net/10338.dmlcz/101173 Summaries of articles published in this issue Book reviews. Petr Vopěnka, Petr Hájek: The theory of semisets http://hdl.handle.net/10338.dmlcz/101172 Book reviews. Petr Vopěnka, Petr Hájek: The theory of semisets News and Notices. Third Czechoslovak conference on differential equations and their applications EQUADIFF 3 in Brno http://hdl.handle.net/10338.dmlcz/101171 News and Notices. Third Czechoslovak conference on differential equations and their applications EQUADIFF 3 in Brno Surfaces in hermitian 3-spaces http://hdl.handle.net/10338.dmlcz/101170 Surfaces in hermitian 3-spaces