4 http://hdl.handle.net/10338.dmlcz/136249 4 News and Notices http://hdl.handle.net/10338.dmlcz/136254 News and Notices Fri, 25 Sep 2009 09:11:12 GMT A class of differential equations similar to linear equations http://hdl.handle.net/10338.dmlcz/130634 A class of differential equations similar to linear equations Fri, 25 Sep 2009 09:11:05 GMT Semiobservables on quantum logics http://hdl.handle.net/10338.dmlcz/136253 Semiobservables on quantum logics Fri, 25 Sep 2009 09:10:58 GMT Covering and packing in graphs. III: Cyclic and acyclic invariants http://hdl.handle.net/10338.dmlcz/136252 Covering and packing in graphs. III: Cyclic and acyclic invariants Fri, 25 Sep 2009 09:10:50 GMT