“Preface.” Inequalities from Complex Analysis, by John P. D’Angelo, 1st ed., vol. 28, Mathematical Association of America, 2002, pp. xi-xvi, www.jstor.org/stable/10.4169/j.ctt5hh8s7.3. Accessed 28 July 2021.
D’Angelo, J. (2002). Preface. In Inequalities from Complex Analysis (pp. Xi-Xvi). Mathematical Association of America. Retrieved July 28, 2021, from http://www.jstor.org/stable/10.4169/j.ctt5hh8s7.3
D’Angelo, John P. "Preface." In Inequalities from Complex Analysis, Xi-Xvi. Mathematical Association of America, 2002. Accessed July 28, 2021. http://www.jstor.org/stable/10.4169/j.ctt5hh8s7.3.
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