REFERENCES
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- R. Courant, Differential and Integral Calculus, Vol. 1, Interscience Publishers, New York, 1957.
- R. B. Eggleton and R. K. Guy, Catalan strikes again! How likely is a function to be convex? this Magazine 61 (1988), 211–219.
- S. Ramanujan, Collected Papers, Chelsea Publishing Co., New York, 1962.