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@article{MO_2020_93_1_a3, author = {A. M. Iglitsky}, title = {On non-trivial cases of intersections of a diagonals on its symmetry axis}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {28--35}, publisher = {mathdoc}, volume = {93}, number = {1}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2020_93_1_a3/} }
A. M. Iglitsky. On non-trivial cases of intersections of a diagonals on its symmetry axis. Matematičeskoe obrazovanie, Tome 93 (2020) no. 1, pp. 28-35. http://geodesic.mathdoc.fr/item/MO_2020_93_1_a3/
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[2] Iglitskii A.M., “Dve zametki po geometrii”, Matematicheskoe obrazovanie, 2019, no. 1(89), 13–20