In this paper diverse results on the location and number of zeros of derivatives of Dirichlet L-functions are proved.
YILDIRIM, C. YALÇIN (1996) "ZEROS OF DERIVATIVES OF DIRICHLET L-FUNCTIONS," Turkish Journal of Mathematics: Vol. 20: No. 4, Article 8. Available at: https://journals.tubitak.gov.tr/math/vol20/iss4/8