TY - JOUR AU - D. Beck AU - H. Odabasi BT - Annals of Physics DA - Jan-09-1971 DO - 10.1016/0003-4916(71)90013-3 PY - 1971 SP - 274 EP - 345 T2 - Annals of Physics TI - Relativistic and correlation effects for bound levels of atomic systems with three electrons UR - http://linkinghub.elsevier.com/retrieve/pii/0003491671900133 VL - 67 SN - 00034916 ER -