@article{CMH_1943__16_138843,
     author = {Paul Finsler},
     title = {Gibt es unentscheidbare {S\"atze?}},
     journal = {Commentarii mathematici Helvetici},
     pages = {310--320},
     publisher = {mathdoc},
     volume = {16},
     year = {1943},
     zbl = {0063.01379},
     url = {http://geodesic.mathdoc.fr/item/CMH_1943__16_138843/}
}