A. A. Shcherbakov, “Metrics and smooth uniformisation of leaves of holomorphic foliations”, Mosc. Math. J., 11:1 (2011), 157–178
Ilyashenko Y., “Selected topics in differential equations with real and complex time”, Normal Forms, Bifurcations and Finiteness Problems in Differential Equations, NATO Science Series, Series II: Mathematics, Physics and Chemistry, 137, 2004, 317–354
Ilyashenko Y., “Centennial history of Hilbert's 16th problem”, Bulletin of the American Mathematical Society, 39:3 (2002), 301–354
Neto A.L., “Uniformization and the Poincaré metric on the leaves of a foliation by curves”, Boletim da Sociedade Brasileira de Matematica, 31:3 (2000), 351–366