TY  - BOOK
AU  - Essén,Matts R.
ED  - SpringerLink (Online service)
TI  - The cosπλ Theorem: With a paper by Christer Borell 
T2  - Lecture Notes in Mathematics,
SN  - 9783540375135
AV  - QA1-939 
U1  - 510 23
PY  - 1975///
CY  - Berlin, Heidelberg
PB  - Springer Berlin Heidelberg
KW  - Mathematics
KW  - Mathematics, general
N1  - The Hellsten-Kjellberg-Norstad inequality -- The cos??-theorem -- A generalization of the Ahlfors-Heins theorem -- The Paley conjecture -- A cos ??-problem and a differential inequality -- A counterexample -- Proof of Theorem 5.2 -- Two consequences of a theorem of A. Baernstein -- On two theorems of A. Baernstein
UR  - http://dx.doi.org/10.1007/BFb0094969
ER  -