“EXERCISES.” Fourier Series and Orthogonal Polynomials, by DUNHAM JACKSON, 1st ed., vol. 6, Mathematical Association of America, 1941, pp. 209–228, www.jstor.org/stable/10.4169/j.ctt5hh8cf.15. Accessed 2 Aug. 2021.
JACKSON, D. (1941). EXERCISES. In Fourier Series and Orthogonal Polynomials (pp. 209-228). Mathematical Association of America. Retrieved August 2, 2021, from http://www.jstor.org/stable/10.4169/j.ctt5hh8cf.15
JACKSON, DUNHAM. "EXERCISES." In Fourier Series and Orthogonal Polynomials, 209-28. Mathematical Association of America, 1941. Accessed August 2, 2021. http://www.jstor.org/stable/10.4169/j.ctt5hh8cf.15.
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