@article{DANMA_2020_495_a16,
     author = {G. V. Fedorov},
     title = {On the period length of a functional continued fraction over a number field},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {78--81},
     year = {2020},
     volume = {495},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2020_495_a16/}
}