1. Ahlfors L.V.,An extension of Schwarz’s Lemma, Trans. Amer. Math. Soc.43 (1938), 359–364
2. Hulin, D. et Troyanov, M.,Sur la courbure des surfaces ouvertes, C. R. Acad. Sci. Paris Série 1310 (1990), 203–206
3. Hulin, D. et Troyanov, M.,Prescribing curvature on open surfaces, Préprint Ecole Polytechnique, Palaiseau (1990)
4. Mok N. & Yau S.T.,Completeness of the Kähler-Einstein Metric on Bounded Domain and the Characterization of Domains of Holomorphy by Curvature Conditions, The Mathematical Heritage of Henri Poincaré, part 1 Proc. Symposia Pure Math.39 (1983), pp. 41–60
5. Osserman R.,On the inequality Δu≥f(u), Pacific J. MathVII (1957), 1641–1647