o:1591290
o:1591289
o:1497918
Persistent identifier https://phaidra.univie.ac.at/o:1497917
Handle https://hdl.handle.net/11353/10.1497917
URI https://valep.vc.univie.ac.at/virtualarchive/public/Folder_23_Excerpts_Ackermann_Begrndung_des_Terium_non_Dator_mittels_der_Hilbertschen_Theorie_der_Widerspruchsfreiheit_1925_1925/a:653919