@misc{Sacro_Bosco_Joannes_de_(c._1195_–_1256)_Algorithmus,
 author={Sacro Bosco, Joannes de (c. 1195 – 1256)},
 howpublished={online},
 publisher={Ungler, Florian},
 language={lat},
 type={starodruki},
 title={Algorithmus Ioannis de Sacrobusto},
 keywords={matematyka 13w., algorytmy 13w.},
}