TY  - JOUR
AU  - B. L. Livshits
TI  - Calculation of frequencies and shapes of normal molecular vibrations by the perturbation method
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 305
EP  - 307
VL  - 149
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_149_2_a22/
LA  - ru
ID  - DAN_1963_149_2_a22
ER  -