@misc{Toński_Jan_Johannis,
 author={Toński, Jan},
 howpublished={online},
 publisher={Kupisz Łukasz},
 language={lat},
 type={starodruk},
 title={Johannis Tonski Medici, et Mathematici, in Academia Cracoviensi Facultatum omnium Procancelarij de cometa dogma mathematicum, Cometographo Anni proxime elipsi. 1652. apprime necessarium},
 keywords={matematyka 17w., nauka 17w.},
}