Tokarzewski, Stanisław, and Józef Joachim Telega. “Two-Point Padé Approximants to Stieltjes Series Representation of Bulk Moduli of Regular Composites”. Computer Assisted Methods in Engineering and Science, vol. 3, no. 2, July 2023, pp. 121-32, https://cames3.ippt.pan.pl/index.php/cames/article/view/1450.