APA (7th ed.) Citation

Ch'oe, Y., & Kohnen, W. (2009). The first sign change of Fourier coefficients of cusp forms. American journal of mathematics, 131(2), . https://doi.org/10.1353/ajm.0.0050

Chicago Style (17th ed.) Citation

Ch'oe, Yŏng-ju, and Winfried Kohnen. "The First Sign Change of Fourier Coefficients of Cusp Forms." American Journal of Mathematics 131, no. 2 (2009). https://doi.org/10.1353/ajm.0.0050.

MLA (9th ed.) Citation

Ch'oe, Yŏng-ju, and Winfried Kohnen. "The First Sign Change of Fourier Coefficients of Cusp Forms." American Journal of Mathematics, vol. 131, no. 2, 2009, https://doi.org/10.1353/ajm.0.0050.