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One-sided conditions for functions harmonic in the unit disc. (English) Zbl 0263.31004

Partial diff. Equ., Berkeley 1971, Proc. Sympos. Pure Math. 23, 483-490 (1973).

MSC:

31A05 Harmonic, subharmonic, superharmonic functions in two dimensions
31A25 Boundary value and inverse problems for harmonic functions in two dimensions
35C15 Integral representations of solutions to PDEs
31A20 Boundary behavior (theorems of Fatou type, etc.) of harmonic functions in two dimensions
42A63 Uniqueness of trigonometric expansions, uniqueness of Fourier expansions, Riemann theory, localization