2024-03-29T12:50:26Z
https://oai.zbmath.org/v1/
oai:zbmath.org:1179589
1998-10-11T22:00:00Z
58
D.Andrica (Cluj-Napoca)
Shapiro, B. Z.
1997
1179589
English
Springer US, New York, NY
https://zbmath.org/01179589
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Funct. Anal. Appl. 31, No. 2, 144-147 (1997); translation from Funkts. Anal. Prilozh. 31, No. 2, 91-94 (1997).
58C25; 58K99
Normal forms of the Whitney umbrella with respect to the contact group preserving a cone
j