Columbia subject headings:
Boundary value problems.
Calculus, Operational.
Inverse problems (Differential equations)
Scattering (Mathematics)
Harvard subject headings:
Boundary value problems.
Calculus, Operational.
Inverse problems (Differential equations)
Scattering (Mathematics)
Scattering (Physics)
Princeton subject headings:
Boundary value problems.
Calculus, Operational.
Inverse problems (Differential equations)
Scattering (Mathematics)