Studies in perturbation theory. XIV. Treatment of constants of motion, degeneracies and symmetry properties by means of multidimensional partitioning

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1955 • 3,424 citations

A Relativistic Equation for Bound-State Problems

1951 • 2,432 citations

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1950 • 2,052 citations

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1951 • 1,058 citations

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1951 • 924 citations

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1930 • 777 citations

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1958 • 646 citations

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1962 • 621 citations

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1951 • 599 citations

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1937 • 582 citations

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1965 • 432 citations

Methods of Molecular Quantum Mechanics

2009 • 412 citations

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1963 • 387 citations

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1957 • 364 citations

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1960 • 341 citations

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1958 • 338 citations

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1953 • 278 citations

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1970 • 217 citations

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1968 • 215 citations

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1962 • 182 citations

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1965 • 174 citations

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1965 • 146 citations

The Normal Constants of Motion in Quantum Mechanics Treated by Projection Technique

1962 • 137 citations

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1932 • 123 citations

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1934 • 122 citations

Derivation and Analysis of the Pariser–Parr–Pople Model

1968 • 114 citations

Studies in perturbation theory

1964 • 114 citations

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1956 • 112 citations

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1970 • 111 citations

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1963 • 106 citations

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1964 • 96 citations

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1970 • 93 citations

Invariance Property of the Brillouin-Wigner Perturbation Series

1956 • 83 citations

Variational Form of Van Vleck Degenerate Perturbation Theory with Particular Application to Electronic Structure Problems

1968 • 75 citations

Studies in perturbation theory

1964 • 73 citations

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1971 • 66 citations

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1967 • 59 citations

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1968 • 57 citations

Studies in perturbation theory

1964 • 56 citations

Pi-Electron Hamiltonian

1967 • 50 citations

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1965 • 44 citations

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1969 • 36 citations

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1970 • 35 citations

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1969 • 33 citations

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1965 • 30 citations

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1965 • 29 citations

Lower-Bound Procedure for Energy Eigenvalues by the Partitioning Technique

1966 • 29 citations

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1967 • 23 citations

Treatment of Degeneracies in the Schrödinger Perturbation Theory by Partitioning Technique

1969 • 23 citations

Partitioning without implicit eigenvalues

1970 • 12 citations

Variational Methods and Degenerate Perturbation Theory

1966 • 9 citations

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1968 • 8 citations

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1967 • 7 citations