TY  - JOUR
AU  - E. P. Golubeva
TI  - On spectrum L\'evy constants for quadratic irrationalities and class numbers of real quadratic fields
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2001
SP  - 20
EP  - 40
VL  - 276
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2001_276_a1/
LA  - ru
ID  - ZNSL_2001_276_a1
ER  -