TY  - JOUR
AU  - E. V. Podsypanin
TI  - Length of the period of a quadratic irrational
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1979
SP  - 95
EP  - 99
VL  - 82
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1979_82_a4/
LA  - ru
ID  - ZNSL_1979_82_a4
ER  -