GLOBAL PHASE-INTEGRAL METHODS

[1] COALESCENCE OF COUPLING POINTS IN THEORY OF RADIO-WAVES IN IONOSPHERE [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1974, 341 (1624) : 1 - 30

[2] Evgrafov M. A., 1966, RUSS MATH SURVEYS, V21, P1, DOI 10.1070/RM1966v021n01ABEH004145

[3] Froman N., 1965, JWKB APPROXIMATION C

[4] Goldstein S, 1928, P LOND MATH SOC, V28, P81

[5] BARRIERS BOUNDED BY 2 TRANSITION POINTS OF ARBITRARY ODD ORDER [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, 1975, 73 : 51 - 64

[6] BARRIERS BOUNDED BY A TRANSITION POINT OF ORDER GREATER THAN UNITY [J]. PHYSICA, 1974, 77 (02): : 263 - 278

[7] Heading J., 1957, P CAMBRIDGE PHILOS S, V53, P399

[8] Heading J., 1962, INTRO PHASE INTEGRAL

[9] HEADING J, 1962, Q J MECH APPL MATH, V15, P216

[10] HEADING J, 1957, P CAMBRIDGE PHILOS S, V53, P419

[1] COALESCENCE OF COUPLING POINTS IN THEORY OF RADIO-WAVES IN IONOSPHERE [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1974, 341 (1624) : 1 - 30

[2] Evgrafov M. A., 1966, RUSS MATH SURVEYS, V21, P1, DOI 10.1070/RM1966v021n01ABEH004145

[3] Froman N., 1965, JWKB APPROXIMATION C

[4] Goldstein S, 1928, P LOND MATH SOC, V28, P81

[5] BARRIERS BOUNDED BY 2 TRANSITION POINTS OF ARBITRARY ODD ORDER [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, 1975, 73 : 51 - 64

[6] BARRIERS BOUNDED BY A TRANSITION POINT OF ORDER GREATER THAN UNITY [J]. PHYSICA, 1974, 77 (02): : 263 - 278

[7] Heading J., 1957, P CAMBRIDGE PHILOS S, V53, P399

[8] Heading J., 1962, INTRO PHASE INTEGRAL

[9] HEADING J, 1962, Q J MECH APPL MATH, V15, P216

[10] HEADING J, 1957, P CAMBRIDGE PHILOS S, V53, P419