Geodesic
Menelau's equality, the bunch direct lines, and the polygon
Matematičeskoe obrazovanie, Tome 83 (2017) no. 3, pp. 2-6.

Voir la notice de l'article provenant de la source Math-Net.Ru

It is offered a consideration of Menelau's equality as the equality for intersections of the sides of the angle and two cross-line of bunch direct lines.
Keywords: Theorems Menelaya, Chevy, a bundle of straight lines
Mots-clés : polygon, a contour. 
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V. K. Gavrilov. Menelau's equality, the bunch direct lines, and the polygon. Matematičeskoe obrazovanie, Tome 83 (2017) no. 3, pp. 2-6. http://geodesic.mathdoc.fr/item/MO_2017_83_3_a0/

[1] Zetel S. I., Novaya geometriya treugolnika, Gosudarstvennoe uchebno-pedagogicheskoe izdatelstvo min. prosvescheniya RSFSR, M., 1962

[2] Gavrilov V. K., “Ravenstva Menelaya, Chevy i drugie ravenstva”, Informatsionnye tekhnologii v matematike i matematicheskom obrazovanii, Materialy V Vserossiiskoi nauchno-metodicheskoi konferentsii s mezhdunarodnym uchastiem (Krasnoyarsk, 2016), 8–12