@misc{_Borislawski,
 howpublished={online},
 publisher={Actum in Castro Praemisliensi feria quarta ipso die Festi Sancti Valentini Martiris Anno Domini Millesimo Sexcentesimo Vigesimo Nono},
 language={łaciński},
 title={Borislawski Popielowi debet},
 type={rękopis},
 keywords={Andrzej Borysławski, debitum, Mikołaj Popiel},
}