@book{Leszczynska2007-LESTMO-5,year = {2007},publisher = {Wydawn. Naukowe Uniwersytetu Im. Adama Mickiewicza},author = {Dorota Leszczynska},title = {The Method of Socratic Proofs for Normal Modal Propositional Logics}}@
ma tytuł
The Method of Socratic Proofs for Normal Modal Propositional Logics