TY  - JOUR
AU  - E. P. Golubeva
TI  - On quadratic irrationalities having continued fractions with small periods
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1997
SP  - 31
EP  - 39
VL  - 237
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1997_237_a3/
LA  - ru
ID  - ZNSL_1997_237_a3
ER  -