3 http://hdl.handle.net/10338.dmlcz/104716 3 A note on differential equations with periodic solutions http://hdl.handle.net/10338.dmlcz/104722 A note on differential equations with periodic solutions Thu, 05 Jun 2008 18:21:16 GMT Note on Kummer's transformation http://hdl.handle.net/10338.dmlcz/104721 Note on Kummer's transformation Thu, 05 Jun 2008 18:20:43 GMT On the role of configurations in the theory of grammars http://hdl.handle.net/10338.dmlcz/104720 On the role of configurations in the theory of grammars Thu, 05 Jun 2008 18:20:11 GMT On a class of languages http://hdl.handle.net/10338.dmlcz/104719 On a class of languages Thu, 05 Jun 2008 18:19:38 GMT