@misc{Toński_Jan_(_-1664)_Ioannis,
 author={Toński, Jan ( -1664)},
 howpublished={online},
 publisher={Łukasz Kupisz},
 language={lat},
 title={Ioannis Tonski [...] De Cometa Dogma Mathematicvm, Cosmographo Anni proxime elapsi Stephano Stryewicz [...]},
 type={starodruk},
}