On global geometry of the ball congruences

DOI10.21136/CMJ.1968.100866zbMath0181.49303OpenAlexW3047693896MaRDI QIDQ5573048

Zbyněk Nádeník

Publication date: 1968

Full work available at URL: https://eudml.org/doc/12444

zbMATH Keywords

differential geometry

Cites Work

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• Sur certaines propriétés invariantes par déformation des congruences de droites, de cercles ou de sphères
• Inequalities for the parameters of channel surfaces
• Inequalities for the parameters of channel bodies

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