%0 Journal Article %A A. N. Kovalev %T On the knowledge in the XIII--XVI centuries of the relationship of Fibonacci numbers with the golden ratio %J Matematičeskoe obrazovanie %D 2019 %P 63-75 %V 92 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2019_92_4_a6/ %G ru %F MO_2019_92_4_a6