Milin Conjecture
An inequality which implies the correctness of the Robertson conjecture (Milin 1964). de Branges (1985) proved this conjecture, which led to the proof of the full Bieberbach conjecture.
REFERENCES:
de Branges, L. "A Proof of the Bieberbach Conjecture." Acta Math. 154, 137-152, 1985.
Milin, I. M. "The Area Method in the Theory of Univalent Functions." Dokl. Acad. Nauk SSSR 154, 264-267, 1964.
Milin, I. M. Univalent Functions and Orthonormal Systems. Providence, RI: Amer. Math. Soc., 1977.
Stewart, I. From Here to Infinity: A Guide to Today's Mathematics. Oxford, England: Oxford University Press, p. 165, 1996.