@article{MO_2022_102_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}, publisher = {mathdoc}, volume = {102}, number = {2}, year = {2022}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2022_102_2_a0/} }