@misc{Czyński_Jan_(1801-1867)_Kopernik, author={Czyński, Jan (1801-1867)}, howpublished={online}, publisher={Impr. de Lacour et Cie}, publisher={J. Renouard}, language={fre}, type={nadbitka}, title={Kopernik et ses travaux : introduction}, keywords={Kopernik, Mikołaj (1473-1543), astronomia szesnastowieczna}, }