Geodesic
Archimed Bull Problem, Euclid algorithm, and Pell's Equation
Matematičeskoe obrazovanie, no. 3 (2004), pp. 2-16 
A. I. Schetnikov. Archimed Bull Problem, Euclid algorithm, and Pell's Equation. Matematičeskoe obrazovanie, no. 3 (2004), pp. 2-16. http://geodesic.mathdoc.fr/item/MO_2004_3_a0/
@article{MO_2004_3_a0,
     author = {A. I. Schetnikov},
     title = {Archimed {Bull} {Problem,} {Euclid} algorithm, and {Pell's} {Equation}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {2--16},
     year = {2004},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2004_3_a0/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The author tries to reconstruct, how Archimed could try to solve equations of the type, which is now known as Pell's equation.