TY  - JOUR
AU  - B. A. Nadykto
TI  - On isotope mass shifts of energy levels of helium-like and lithium-like ions
JO  - Doklady Akademii Nauk
PY  - 1994
SP  - 41
EP  - 43
VL  - 334
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1994_334_1_a11/
LA  - ru
ID  - DAN_1994_334_1_a11
ER  -