“INTRODUCTION.” The Generalized Riemann Integral, by ROBERT M. McLEOD, 1st ed., vol. 20, Mathematical Association of America, 1980, pp. 1–4, www.jstor.org/stable/10.4169/j.ctt5hhb4z.5. Accessed 26 July 2021.
McLEOD, R. (1980). INTRODUCTION. In The Generalized Riemann Integral (pp. 1-4). Mathematical Association of America. Retrieved July 26, 2021, from http://www.jstor.org/stable/10.4169/j.ctt5hhb4z.5
McLEOD, ROBERT M. "INTRODUCTION." In The Generalized Riemann Integral, 1-4. Mathematical Association of America, 1980. Accessed July 26, 2021. http://www.jstor.org/stable/10.4169/j.ctt5hhb4z.5.
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