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zbMath0633.53020MaRDI QIDQ3771152

S. V. Shmeleva

Publication date: 1986

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

congruences of quadrics quadruple focal point

Mathematics Subject Classification ID

Differential line geometry (53A25) Projective differential geometry (53A20)

Related Items

Differential geometry of manifolds of figures

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