@article{MO_2004_30_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},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2004_30_3_a0/}
}