LOWER BOUNDS FOR EIGENVALUES

[1] Existence, convergence and equivalence in the unified theory of eigenvalues of plates and membranes [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1941, 27 : 188 - 191

[2] Aronszajn N., 1951, P S SPECTRAL THEORY, P179

[3] BAZLEY N, 1959, AMS NOTICES, V6

[4] LOWER BOUNDS FOR EIGENVALUES WITH APPLICATION TO THE HELIUM ATOM [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1959, 45 (06) : 850 - 853

[5] Wave functions for ls2s S-1 helium [J]. PHYSICAL REVIEW, 1936, 49 (09): : 0676 - 0687

[6] DIAZ JB, 1958, 8 S APPL MATH AMS, P53

[7] FUNDAMENTAL PROPERTIES OF HAMILTONIAN OPERATORS OF SCHRODINGER TYPE [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1951, 70 (MAR) : 195 - 211

[8] ON THE EXISTENCE OF SOLUTIONS OF THE HELIUM WAVE EQUATION [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1951, 70 (MAR) : 212 - 218

[9] KATO T, 1955, 7 U CAL DEP MATH TEC

[10] GROUND STATE OF THE HELIUM ATOM [J]. PHYSICAL REVIEW, 1957, 105 (05): : 1490 - 1502

[1] Existence, convergence and equivalence in the unified theory of eigenvalues of plates and membranes [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1941, 27 : 188 - 191

[2] Aronszajn N., 1951, P S SPECTRAL THEORY, P179

[3] BAZLEY N, 1959, AMS NOTICES, V6

[4] LOWER BOUNDS FOR EIGENVALUES WITH APPLICATION TO THE HELIUM ATOM [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1959, 45 (06) : 850 - 853

[5] Wave functions for ls2s S-1 helium [J]. PHYSICAL REVIEW, 1936, 49 (09): : 0676 - 0687

[6] DIAZ JB, 1958, 8 S APPL MATH AMS, P53

[7] FUNDAMENTAL PROPERTIES OF HAMILTONIAN OPERATORS OF SCHRODINGER TYPE [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1951, 70 (MAR) : 195 - 211

[8] ON THE EXISTENCE OF SOLUTIONS OF THE HELIUM WAVE EQUATION [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1951, 70 (MAR) : 212 - 218

[9] KATO T, 1955, 7 U CAL DEP MATH TEC

[10] GROUND STATE OF THE HELIUM ATOM [J]. PHYSICAL REVIEW, 1957, 105 (05): : 1490 - 1502