TY - JOUR AU - A. N. Kovalev TI - On the knowledge in the XIII--XVI centuries of the relationship of Fibonacci numbers with the golden ratio JO - Matematičeskoe obrazovanie PY - 2019 SP - 63 EP - 75 VL - 92 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2019_92_4_a6/ LA - ru ID - MO_2019_92_4_a6 ER -