Geodesic
Gifts from Santa Claus or variations on the themes of the classics
Matematičeskoe obrazovanie, Tome 100 (2021) no. 4, pp. 28-37.

Voir la notice de l'article provenant de la source Math-Net.Ru

The article shows how a not very difficult mathematical problem pulls together several classical branches of mathematics. This allows you to look at mathematics in a panoramic way, and not only from the point of view of some specialized mathematical branch. 
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     author = {V. I. Voytitsky},
     title = {Gifts from {Santa} {Claus} or variations on the themes of the classics},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {28--37},
     publisher = {mathdoc},
     volume = {100},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2021_100_4_a5/}
}
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V. I. Voytitsky. Gifts from Santa Claus or variations on the themes of the classics. Matematičeskoe obrazovanie, Tome 100 (2021) no. 4, pp. 28-37. http://geodesic.mathdoc.fr/item/MO_2021_100_4_a5/