TY  - BOOK
AU  - Лисина, Т.Г.
AU  - Сафронова, У.И.
AU  - Шляпцева, А.С.
TI  - Atomic calculations using perturbation theory on powers of I/Z for four-electron system
T2  - Preprint
VL  - № 201
PY  - 1979///
CY  - Moscow
PB  - Б. и.
KW  - В344.317,09
KW  - rubbk
N2  - Библиогр.: с. 17
ER  -