%0 Journal Article %A G. V. Fedorov %T On the period length of a functional continued fraction over a number field %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 78-81 %V 495 %U http://geodesic.mathdoc.fr/item/DANMA_2020_495_a16/ %G ru %F DANMA_2020_495_a16