TY - JOUR AU - Jentschura, Ulrich AU - Mohr, Peter AU - Soff, G C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 2001-01-01 00:01:00 LA - en M1 - 63 PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 2001 TI - Electron Self-Energy for the K and L Shells at Low Nuclear Charge ER -