Geodesic
Families of Measurable Conic Sections in the Projective Space PR
Bollettino della Unione matematica italiana, Série 8, 10B (2007) no. 2, pp. 389-404

Voir la notice de l'article provenant de la source Biblioteca Digitale Italiana di Matematica

In this note we prove the measurability of the family of non-degenerate conic sections in the projective space $P^4$, obtained by cutting a non-degenerate quadratic cone by a linear variety of dimension two not containing the cone vertex. 
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     author = {Failla, Gioia and Molica Bisci, Giovanni},
     title = {Families of {Measurable} {Conic} {Sections} in the {Projective} {Space} {PR}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {389--404},
     publisher = {mathdoc},
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     year = {2007},
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Failla, Gioia; Molica Bisci, Giovanni. Families of Measurable Conic Sections in the Projective Space PR. Bollettino della Unione matematica italiana, Série 8, 10B (2007) no. 2, pp. 389-404. http://geodesic.mathdoc.fr/item/BUMI_2007_8_10B_2_a8/