@article{AMLG_1981__21_137986,
     author = {Michael v. Rimscha},
     title = {Weak foundation and axioms of universality.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {195--205},
     publisher = {mathdoc},
     volume = {21},
     year = {1981},
     zbl = {0485.03023},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1981__21_137986/}
}