Geodesic
Bodové konstrukce elipsy založené na afinitě mezi kružnicí a elipsou
Učitel matematiky, Tome 23 (2015) no. 3, pp. 141-160 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Definition of affinity in a plane and its properties. Ellipse as an image of a circle in different types of affinity in a plane. The cross-piece construction of an ellipse and its relationship to the parallelogram method. Construction of an ellipse based on affinity between a circle and an ellipse which is different from the cross-piece construction. The draftman's method and the trammel method of ellipse construction and their relationship.
Definition of affinity in a plane and its properties. Ellipse as an image of a circle in different types of affinity in a plane. The cross-piece construction of an ellipse and its relationship to the parallelogram method. Construction of an ellipse based on affinity between a circle and an ellipse which is different from the cross-piece construction. The draftman's method and the trammel method of ellipse construction and their relationship. 
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     author = {Kr\'alov\'a, Alice},
     title = {Bodov\'e konstrukce elipsy zalo\v{z}en\'e na afinit\v{e} mezi kru\v{z}nic{\'\i} a elipsou},
     journal = {U\v{c}itel matematiky},
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Králová, Alice. Bodové konstrukce elipsy založené na afinitě mezi kružnicí a elipsou. Učitel matematiky, Tome 23 (2015) no. 3, pp. 141-160. http://geodesic.mathdoc.fr/item/UM_2015_23_3_a1/

[1] Urban, A.: Deskriptivní geometrie I. (1965). Praha: SNTL.

[2] Piska, R., Medek, V.: Deskriptivní geometrie I. (1966). Praha: SNTL.

[3] Kraemer, E.: Zobrazovací metody (promítání rovnoběžné) I. díl. (1991) Praha: SPN. ISBN 80-04-21778-8.

[4] Borecká, K.: Konstruktivní geometrie. et al. (2002). Brno: Akademické nakladatelství CERM, s.r.o. ISBN 80-214-2205-X.

[5] Wikipedia.org: http://en.wikipedia.org/wiki/Ellipse</b>