On a property of orthogonal surfaces

zbMath0966.53007MaRDI QIDQ1293590

M. A. Cheshkova

Publication date: 16 August 2001

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

shape operatorinfinitesimal affine transformationumbilic

Mathematics Subject Classification ID

Higher-dimensional and -codimensional surfaces in Euclidean and related (n)-spaces (53A07)

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