Rosca, R. Les hypersurfaces pseudo-isotropes dans un espace de Minkowski. (French) Zbl 0196.25602 Acad. R. Belg., Bull. Cl. Sci., V. Ser. 56, 346-356 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:differential geometry PDFBibTeX XMLCite \textit{R. Rosca}, Bull. Cl. Sci., V. Sér., Acad. R. Belg. 56, 346--356 (1970; Zbl 0196.25602)