“What Is Gamma . . . Exactly?” Gamma: Exploring Euler's Constant, by Julian Havil and Freeman Dyson, Princeton University Press, PRINCETON; OXFORD, 2003, pp. 69–80, www.jstor.org/stable/j.ctt7sd75.14. Accessed 9 July 2020.
Havil, J., & Dyson, F. (2003). What Is Gamma . . . Exactly? In Gamma: Exploring Euler's Constant (pp. 69-80). PRINCETON; OXFORD: Princeton University Press. Retrieved July 9, 2020, from www.jstor.org/stable/j.ctt7sd75.14
Havil, Julian, and Freeman Dyson. "What Is Gamma . . . Exactly?" In Gamma: Exploring Euler's Constant, 69-80. PRINCETON; OXFORD: Princeton University Press, 2003. Accessed July 9, 2020. www.jstor.org/stable/j.ctt7sd75.14.
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