author = { Zich, Otakar AND Kolʹman, Ėrnest Zich, Otakar },

title = { Unterhaltsame Logik },

edition = { 3. Aufl. } ,

publisher = {Teubner},

year = {[1975]},

booktitle = {Mathematische Schülerbücherei ; 51},

address = { Leipzig },

url = { http://slubdd.de/katalog?TN_libero_mab2 }