@article{MO_2023_3_a2,
     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/}
}