@misc{_Declaratio,
 howpublished={online},
 publisher={Stetini},
 publisher={Typis Joh. Val. Rhetii},
 language={lat},
 type={stary druk},
 title={Declaratio Illustrissimorum & Excellentissimorum Dominorum Sacræ Reg. Mtis. Regniq[ue] Sveciæ ad Tractatus Pacis in Prussia Legatorum Plenipotentiariorum ...},
}