Segre, Beniamino L’élément linéaire projectif d’une congruence quadratique de droites. (French) Zbl 0051.39102 Acad. Roy. Belgique, Bull. Cl. Sci., V. Sér. 39, 481-489 (1953). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document Keywords:differential geometry of special Lie groups PDF BibTeX XML Cite \textit{B. Segre}, Bull. Cl. Sci., V. Sér., Acad. R. Belg. 39, 481--489 (1953; Zbl 0051.39102) OpenURL