Eine lokale Approximation einer Funktion. (Russian) Zbl 0314.42003
MSC:
| 42A10 | Trigonometric approximation |
| 26A15 | Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable |
| 41A25 | Rate of convergence, degree of approximation |
| 41A10 | Approximation by polynomials |
