@inbook{401096, title = {1.1 Kru\v znice a \'use\v cky}, booktitle = {Historick\'y v\'yvoj pojmu k\v rivka}, series = {GDML\_Books}, publisher = {Nadace Universitas v Brn\v e}, address = {Brno}, year = {2007}, pages = {18-23}, url = {http://dml.mathdoc.fr/item/401096} }
(éd.). 1.1 Kružnice a úsečky, dans Historický vývoj pojmu křivka, GDML_Books, (2007), pp. 18-23. http://gdmltest.u-ga.fr/item/401096/