Astala, K. (1998). "Analytic aspects of quasiconformality"(PDF). Proceedings of the International Congress of Mathematicians, 1998, Berlin. Vol. 2. pp. 617–626.
arxiv.org
Astala, K.; Lassas, M.; Päivärinta, L. (2005). "Calderón's inverse problem for anisotropic conductivity in the plane". Comm. Partial Differential Equations. 30 (1–2): 207–224. arXiv:math/0401410. doi:10.1081/PDE-200044485.
Astala, K.; Lassas, M.; Päivärinta, L. (2005). "Calderón's inverse problem for anisotropic conductivity in the plane". Comm. Partial Differential Equations. 30 (1–2): 207–224. arXiv:math/0401410. doi:10.1081/PDE-200044485.
