TY - JOUR AU - Dzuba, V AU - Flambaum, V AU - Silvestrov, P AU - Sushkov, O C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 1991-01-01 LA - en M1 - 44 PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 1991 TI - Many-body perturbation-theory calculations in atoms with open shells ER -