Note on an approximation treatment for many-electron systems

[1] DIRAC, 1930, P CAMB PHIL SOC 2, V27, P240

[2] Dirac PAM, 1930, P CAMB PHILOS SOC, V26, P376

[3] Approximation method for the solution of the quantum mechanical multibody problems [J]. ZEITSCHRIFT FUR PHYSIK, 1930, 61 (1-2): : 126 - 148

[1] DIRAC, 1930, P CAMB PHIL SOC 2, V27, P240

[2] Dirac PAM, 1930, P CAMB PHILOS SOC, V26, P376

[3] Approximation method for the solution of the quantum mechanical multibody problems [J]. ZEITSCHRIFT FUR PHYSIK, 1930, 61 (1-2): : 126 - 148