Geodesic
Surfaces with DIF$\ne$DEF real structures
Izvestiya. Mathematics , Tome 70 (2006) no. 4, pp. 769-807.

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We study real Campedelli surfaces up to real deformations and exhibit examples of such surfaces which are equivariantly diffeomorphic but not real deformation equivalent (DIF$\ne$DEF). 
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Vik. S. Kulikov; V. M. Kharlamov. Surfaces with DIF$\ne$DEF real structures. Izvestiya. Mathematics , Tome 70 (2006) no. 4, pp. 769-807. http://geodesic.mathdoc.fr/item/IM2_2006_70_4_a5/

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