@article{MO_2022_2_a0,
     author = {R. A. Akberdin and N. S. Gorshkov},
     title = {Signs of equality of triangles and extreme problems},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {2--8},
     year = {2022},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2022_2_a0/}
}