%0 Journal Article %A G.V. Fedorov %T On the sequences of polynomials $f$ with a periodic continued fraction expansion $\sqrt{f}$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2024 %P 25-30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2024_2_a2/ %G ru %F VMUMM_2024_2_a2