ON THE WAVE EQUATION WITH SMALL QUANTUM NUMBERS

[1] 2 NOTES ON PHASE-INTEGRAL METHODS [J]. PHYSICAL REVIEW, 1947, 71 (06): : 360 - 371

[2] The asymptotic solutions of certain linear ordinary differential equations of the second order [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1934, 36 (1-4) : 90 - 106

[3] NIELSEN N, 1906, HDB THEORIE GAMMAFUN, P14

[4] Whittaker E. T., 1927, COURSE MODERN ANAL, P337

[1] 2 NOTES ON PHASE-INTEGRAL METHODS [J]. PHYSICAL REVIEW, 1947, 71 (06): : 360 - 371

[2] The asymptotic solutions of certain linear ordinary differential equations of the second order [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1934, 36 (1-4) : 90 - 106

[3] NIELSEN N, 1906, HDB THEORIE GAMMAFUN, P14

[4] Whittaker E. T., 1927, COURSE MODERN ANAL, P337