@book {Ziwsa1893, title = {Optatus Milevitanus. De schismate donatistarum advŠµrsus Parmenianum}, series = {Corpus Scriptorum Ecclesiasticorum Latinorum}, number = {26}, year = {1893}, publisher = {CSEL}, organization = {CSEL}, address = {Wien}, editor = {Ziwsa, Karl} }