30Exx | 30D | 30 | 30F |
| 30E05 | Moment problems, interpolation problems |
| 30E10 | Approximation in the complex domain |
| 30E15 | Asymptotic representations in the complex domain |
| 30E20 | Integration, integrals of Cauchy type, integral representations of analytic functions [See also 45Exx] |
| 30E25 | Boundary value problems [See also 45Exx] |
| 30E99 | None of the above, but in this section |