Geodesic
An application of a numerical criterion of ampleness
Matematičeskie zametki, Tome 5 (1969) no. 2, pp. 149-154 
M. Kh. Gizatullin. An application of a numerical criterion of ampleness. Matematičeskie zametki, Tome 5 (1969) no. 2, pp. 149-154. http://geodesic.mathdoc.fr/item/MZM_1969_5_2_a1/
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     author = {M. Kh. Gizatullin},
     title = {An~application of a~numerical criterion of ampleness},
     journal = {Matemati\v{c}eskie zametki},
     pages = {149--154},
     year = {1969},
     volume = {5},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_2_a1/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

It is proven that, if an affine segment of a complete surface contains all its singularities, the surface is then projective, and the complement to this affine segment is cut by a hyperplane upon some projective embedding of the surface. The author has learned that the results of this Note was obtained by Jacob Goodman (New York) in his unpublished dissertation (1967).