ON THE CONVERGENCE OF THE PERTURBATION METHOD, .2.

[1] Spectral theory of semi-bound operators and use of the spectral analysis of differential operators. [J]. MATHEMATISCHE ANNALEN, 1934, 109 : 465 - 487

[2] ON THE UPPER AND LOWER BOUNDS OF EIGENVALUES [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1949, 4 (4-6) : 334 - 339

[3] ON THE CONVERGENCE OF THE PERTURBATION METHOD .1. [J]. PROGRESS OF THEORETICAL PHYSICS, 1949, 4 (04): : 514 - 523

[4] RAYLEIGH, THEORY SOUND, V1, P300

[5] Perturbation theory of spectral decomposition. III Announcement. Analysis of non-essential limited perturbation. [J]. MATHEMATISCHE ANNALEN, 1939, 116 : 555 - 570

[6] STONE MH, 1932, LINEAR TRANSFORMATIO, P3

[1] Spectral theory of semi-bound operators and use of the spectral analysis of differential operators. [J]. MATHEMATISCHE ANNALEN, 1934, 109 : 465 - 487

[2] ON THE UPPER AND LOWER BOUNDS OF EIGENVALUES [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1949, 4 (4-6) : 334 - 339

[3] ON THE CONVERGENCE OF THE PERTURBATION METHOD .1. [J]. PROGRESS OF THEORETICAL PHYSICS, 1949, 4 (04): : 514 - 523

[4] RAYLEIGH, THEORY SOUND, V1, P300

[5] Perturbation theory of spectral decomposition. III Announcement. Analysis of non-essential limited perturbation. [J]. MATHEMATISCHE ANNALEN, 1939, 116 : 555 - 570

[6] STONE MH, 1932, LINEAR TRANSFORMATIO, P3