Tomić, B. S. “The Asymptotic Relations for the Indefinitely Increasing Zeros of Polynomials With Alternate Coefficients”. Anal. Numér. Théor. Approx., vol. 15, no. 1, Feb. 1986, pp. 81-93, https://ictp.acad.ro/jnaat/journal/article/view/1986-vol15-no1-art12.