TY  - JOUR
AU  - B. M. Shirokov
TI  - On a lenght of the continued fraction's period
JO  - Problemy analiza
PY  - 1993
SP  - 85
EP  - 90
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PA_1993_1_a12/
LA  - en
ID  - PA_1993_1_a12
ER  -