TY  - JOUR
AU  - N. N. Il'inskaya
TI  - Geometric analysis of a problem on a harmonic oscillator in an ellipse
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1991
SP  - 88
EP  - 92
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1991_1_a19/
LA  - ru
ID  - VMUMM_1991_1_a19
ER  -