Les hypersurfaces dans l'espace euclidien
Sur les métriques riemanniennes compatibles avec une réduction du groupe structural
On the projective structure of a real hypersurface in C...
Geometrical interpretation of the sinh-Gordon equation
Tautness and Lie Sphere Geometry.
Lie Groups and KdV Equations.
Projective geometry and Riemann's mapping problem.
A Theorem on Orientable Surfaces in Four-Dimensional Space.
An inequality for the rank of a web and webs of maximum rank
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