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JOURNALS // Uspekhi Matematicheskikh Nauk // Archive

Uspekhi Mat. Nauk, 1952 Volume 7, Issue 3(49), Pages 121–122 (Mi rm8328)

Scientific notes and problems

On the middle envelope of a congruence of normals

L. Ya. Berezina


Received: 12.11.1951



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© Steklov Math. Inst. of RAS, 2025