Markov, K. and Ilieva, K. (1993) “A note on the $C^{2}$-term of the effective conductivity for random dispersions”, Ann. Sofia Univ. Fac. Math. and Inf, 84, pp. 123–138. Available at: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/475 (Accessed: 24 November 2024).