TY  - JOUR
AU  - Yu. N. Smirnov
TI  - Lines of equal values of $\mu$ in the instability zones for the Mathieu equation
JO  - Doklady Akademii Nauk
PY  - 1968
SP  - 546
EP  - 547
VL  - 178
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a10/
LA  - ru
ID  - DAN_1968_178_3_a10
ER  -