TY  - JOUR
AU  - Yu. M. Alexencev
TI  - On the measure of approximation of $\pi$ by algebraic numbers
JO  - Matematičeskie zametki
PY  - 1999
SP  - 483
EP  - 493
VL  - 66
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1999_66_4_a0/
LA  - ru
ID  - MZM_1999_66_4_a0
ER  -