Geodesic
Sharp estimates of torsion of elliptic curves
Matematičeskie zametki, Tome 63 (1998) no. 4, pp. 503-508 
V. A. Dem'yanenko. Sharp estimates of torsion of elliptic curves. Matematičeskie zametki, Tome 63 (1998) no. 4, pp. 503-508. http://geodesic.mathdoc.fr/item/MZM_1998_63_4_a2/
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     author = {V. A. Dem'yanenko},
     title = {Sharp estimates of torsion of elliptic curves},
     journal = {Matemati\v{c}eskie zametki},
     pages = {503--508},
     year = {1998},
     volume = {63},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_4_a2/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The best possible estimates of torsion of the curves $y^2=x^3+s$ and $y^2=x^3+rx$ over an arbitrary algebraic number field are given.

[1] Demyanenko V. A., “O tochnykh otsenkakh krucheniya ellipticheskikh krivykh”, Tretya mezhdunarodnaya konferentsiya po algebre, Tezisy dokl., Krasnoyarsk, 1993, 106

[2] Demyanenko V. A., “O tochnykh otsenkakh $p$-krucheniya nekotorykh krivykh pervogo roda”, Matem. zametki, 21:1 (1977), 3–7 | MR | Zbl

[3] Demyanenko V. A., “O tochnykh otsenkakh krucheniya tochek krivykh pervogo roda”, Zapiski nauch. sem. LOMI, 151, Nauka, L., 1986, 57–65 | Zbl