Geodesic
Special math problems
Matematičeskoe obrazovanie, no. 2 (2024), pp. 19-21 
S. V. Dvoryaninov; A. B. Mamkhegov. Special math problems. Matematičeskoe obrazovanie, no. 2 (2024), pp. 19-21. http://geodesic.mathdoc.fr/item/MO_2024_2_a2/
@article{MO_2024_2_a2,
     author = {S. V. Dvoryaninov and A. B. Mamkhegov},
     title = {Special math problems},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {19--21},
     year = {2024},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2024_2_a2/}
}
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IS  - 2
UR  - http://geodesic.mathdoc.fr/item/MO_2024_2_a2/
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%A A. B. Mamkhegov
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Voir la notice de l'article provenant de la source Math-Net.Ru

Examples are considered when, due to an oversight of the authors of problems, non-existent objects are described in them.