C. Araujo and J. Kollár, Rational Curves on Varieties, Bolyai Soc. Math. Stud, vol.12, pp.13-68, 2001.
DOI : 10.1007/978-3-662-05123-8_3

J. Bochnak, M. Coste, and M. Roy, Real algebraic geometry, Ergebnisse der Mathematik und ihrer Grenzgebiete, p.14067, 1998.
DOI : 10.1007/978-3-662-03718-8

A. Borel and A. Haefliger, La classe d'homologie fondamentale d'un espace analytique, Bulletin de la Société mathématique de France, vol.79, pp.461-513, 1961.
DOI : 10.24033/bsmf.1571

I. Biswas and J. Huisman, Rational real algebraic models of topological surfaces, Doc. Math, vol.12, pp.549-567, 2007.

J. Bochnak and W. Kucharz, The Weierstrass approximation theorem for maps between real algebraic varieties, Mathematische Annalen, vol.314, issue.4, pp.601-612, 1999.
DOI : 10.1007/s002080050309

J. Blanc and F. Mangolte, Abstract, Compositio Mathematica, vol.80, issue.01, pp.161-187, 2011.
DOI : 10.1112/S0010437X10004835

F. Catanese and F. Mangolte, Real singular del Pezzo surfaces and 3-folds fibred by rational curves. I, Michigan Math, 2010f:14063) [CM09] , Real singular del Pezzo surfaces and 3-folds fibred by rational curves. II, pp.357-373, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00145949

A. Comessatti, Sulla connessione delle superficie razionali reali, Annali di Matematica Pura ed Applicata, vol.VII, issue.2, pp.215-283, 1914.
DOI : 10.1007/BF02419577

V. Igor, . Dolgachev, ]. W. De-qi-zhangfp97, R. Fulton, and . Pandharipande, Notes on stable maps and quantum cohomology, Algebraic geometry?Santa Cruz, Proc. Sympos. Pure Math, pp.45-96, 1995.

D. Hwang and J. Keum, Algebraic Montgomery-Yang problem: the noncyclic case The maximum number of singular points on rational homology projective planes, ) [HK11b], pp.721-754, 2011.

J. Huisman and F. Mangolte, -transitive, Bulletin of the London Mathematical Society, vol.41, issue.3, pp.563-568, 2009.
DOI : 10.1112/blms/bdp033
URL : https://hal.archives-ouvertes.fr/hal-01257260

J. Keum, A fake projective plane constructed from an elliptic surface with multiplicities (2, 4), Sci. China Math, pp.1665-1678, 2011.
DOI : 10.1007/s11425-011-4247-0

J. Kollár and S. Mori, Birational geometry of algebraic varieties, Cambridge Tracts in Mathematics, vol.134, p.14018, 1998.
DOI : 10.1017/CBO9780511662560

J. Kollár and F. Mangolte, Cremona transformations and diffeomorphisms of surfaces, Advances in Mathematics, vol.222, issue.1, pp.44-61, 2009.
DOI : 10.1016/j.aim.2009.03.020

J. Kollár, MR 1440180 (98c:14001) [Kol99] , Rationally connected varieties over local fields14019) [Kol00] , Real algebraic threefolds. IV. Del Pezzo fibrations, Complex analysis and algebraic geometry The topology of real algebraic varieties, Current developments in mathematics, Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge MR MR1760882 (2001c:14087) [Kol01] MR MR2074697 [Kol08] , Is there a topological Bogomolov-Miyaoka-Yau inequality?, Pure Appl. Math, pp.357-367, 1996.

J. Kollár, K. E. Smith, and A. Corti, Rational and nearly rational varieties, Cambridge Studies in Advanced Mathematics, vol.92, p.206278714063, 2004.
DOI : 10.1017/CBO9780511734991

. I. Ju and . Manin, Rational surfaces over perfect fields, Inst. HautesÉtudesHautes´HautesÉtudes Sci. Publ. Math, issue.30, pp.55-113, 1966.

F. Mangolte, J. Van, and H. , Algebraic cycles and topology of real Enriques surfaces, Compositio Math, vol.11099, issue.2, pp.215-237, 1998.
URL : https://hal.archives-ouvertes.fr/hal-00001385

B. Segre, On the rational solutions of homogeneous cubic equations in four variables, Math. Notae, vol.1113, pp.1-68, 1951.

I. R. Shafarevich, Basic algebraic geometry Die Grundlehren der mathematischen Wissenschaften, Band 213, pp.36691751-3163, 1974.