2024-03-29T04:43:18Z
https://oai.zbmath.org/v1/
oai:zbmath.org:3441293
0001-01-01T00:00:00
05
53
57
Marx, Morris L.
1974
3441293
English
Duke University Press, Durham, NC; University of North Carolina, Chapel Hill, NC
https://zbmath.org/03441293
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Duke Math. J. 41, 145-149 (1974).
57R40; 57M25; 53A05; 05C10
A combinatorial invariant that characterizes normal immersions of S\(^1\) into R\(^2\)
j