A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL. The file type is application/pdf.
application/pdf
V. F. Cowling, W. C. Royster. "Domains of variability for univalent polynomials." Proceedings of the American Mathematical Society 19.4 (1968) 767-767