Geodesic
Bodové konstrukce elipsy založené na afinitě mezi kružnicí a elipsou
Učitel matematiky, Tome 23 (2015) no. 3, pp. 141-160.

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

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. 
@article{UM_2015__23_3_a1,
     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},
     pages = {141--160},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {2015},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2015__23_3_a1/}
}
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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/