Geodesic
Gauss multiplication trick?
Matematicheskoe Prosveshchenie, Série 3, Matematicheskoe Prosveshchenie, Tome 24 (2019), pp. 19-33 
A. Kh. Shen'. Gauss multiplication trick?. Matematicheskoe Prosveshchenie, Série 3, Matematicheskoe Prosveshchenie, Tome 24 (2019), pp. 19-33. http://geodesic.mathdoc.fr/item/MP_2019_3_24_a3/
@article{MP_2019_3_24_a3,
     author = {A. Kh. Shen'},
     title = {Gauss multiplication trick?},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {19--33},
     year = {2019},
     volume = {Ser. 3, 24},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2019_3_24_a3/}
}
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ID  - MP_2019_3_24_a3
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%F MP_2019_3_24_a3

Voir la notice du chapitre de livre provenant de la source Math-Net.Ru