GEOMETRICAL THEORIES OF WAVE-PROPAGATION - A CONTEMPORARY REVIEW

[51] Guillemin V., 1977, GEOMETRIC ASYMPTOTIC, V14

[52] NATURAL FOCUSING AND CATASTROPHES [J]. IEE PROCEEDINGS-F RADAR AND SIGNAL PROCESSING, 1983, 130 (07) : 623 - 629

[53] Hormander L, 1990, ANAL LINEAR PARTIAL, DOI 10.1007/978-3-642-61497-2

[54] Irwin M. C., 1980, SMOOTH DYNAMICAL SYS

[55] HIGH-FREQUENCY FIELDS EXCITED BY A LINE SOURCE LOCATED ON A PERFECTLY CONDUCTING CONCAVE CYLINDRICAL SURFACE [J]. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1978, 26 (06) : 757 - 767

[56] JACOB J, 1984, 1983 P NATO ARW CAST, P195

[57] James G. L, 1980, GEOMETRICAL THEORY D

[58] JENSEN FB, 1984, 1983 P NATO ARW CAST, P295

[59] SPECTRAL THEORY OF SOUND-PROPAGATION IN AN OCEAN CHANNEL WITH WEAKLY SLOPING BOTTOM [J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1983, 73 (04) : 1120 - 1130

[60] KAMEL A, 1981, B SEISMOL SOC AM, V71, P1763

[51] Guillemin V., 1977, GEOMETRIC ASYMPTOTIC, V14

[52] NATURAL FOCUSING AND CATASTROPHES [J]. IEE PROCEEDINGS-F RADAR AND SIGNAL PROCESSING, 1983, 130 (07) : 623 - 629

[53] Hormander L, 1990, ANAL LINEAR PARTIAL, DOI 10.1007/978-3-642-61497-2

[54] Irwin M. C., 1980, SMOOTH DYNAMICAL SYS

[55] HIGH-FREQUENCY FIELDS EXCITED BY A LINE SOURCE LOCATED ON A PERFECTLY CONDUCTING CONCAVE CYLINDRICAL SURFACE [J]. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1978, 26 (06) : 757 - 767

[56] JACOB J, 1984, 1983 P NATO ARW CAST, P195

[57] James G. L, 1980, GEOMETRICAL THEORY D

[58] JENSEN FB, 1984, 1983 P NATO ARW CAST, P295

[59] SPECTRAL THEORY OF SOUND-PROPAGATION IN AN OCEAN CHANNEL WITH WEAKLY SLOPING BOTTOM [J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1983, 73 (04) : 1120 - 1130

[60] KAMEL A, 1981, B SEISMOL SOC AM, V71, P1763