TY  - JOUR
AU  - M. A. Korolev
TI  - On the period of the continued fraction expansion for $\sqrt{d}$
JO  - Izvestiya. Mathematics 
PY  - 2025
SP  - 26
EP  - 49
VL  - 89
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2025_89_1_a2/
LA  - en
ID  - IM2_2025_89_1_a2
ER  -