MARKOV, K.; ILIEVA, K. Field fluctuations and the effective behaviour of micro-inhomogeneous solids. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 92, p. 135–144, 2000. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/260. Acesso em: 21 nov. 2024.