Geodesic
Some “non-standard” equality of triangles signs
Matematičeskoe obrazovanie, no. 3 (2023), pp. 14-23 
R. A. Akberdin; A. A. Kostina. Some “non-standard” equality of triangles signs. Matematičeskoe obrazovanie, no. 3 (2023), pp. 14-23. http://geodesic.mathdoc.fr/item/MO_2023_3_a2/
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     author = {R. A. Akberdin and A. A. Kostina},
     title = {Some {\textquotedblleft}non-standard{\textquotedblright} equality of triangles signs},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {14--23},
     year = {2023},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2023_3_a2/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The article talks about obtaining non-standard signs of equality of triangles using a combination of constructive and analytical approaches.

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[2] R. A. Akberdin, I. B. Shmigirilova, “Konstruirovanie priznakov ravenstva vypuklykh n-ugolnikov”, Matematicheskoe obrazovanie, 2019, no. 2(90), 31–36

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[5] A. V. Zhukov, “Bissektrisy zadayut treugolnik”, Matematika v shkole, 2010, no. 5, 64–65