3 http://hdl.handle.net/10338.dmlcz/105497 3 On a heat potential (Preliminary communication) http://hdl.handle.net/10338.dmlcz/105509 On a heat potential (Preliminary communication) A representation of models of Peano arithmetic http://hdl.handle.net/10338.dmlcz/105508 A representation of models of Peano arithmetic On some closure properties of generable languages http://hdl.handle.net/10338.dmlcz/105507 On some closure properties of generable languages Full embeddings with a given restriction http://hdl.handle.net/10338.dmlcz/105506 Full embeddings with a given restriction