Seifert, Herbert Closed integral curves in 3-space and isotopic two-dimensional deformations. (English) Zbl 0039.40002 Proc. Am. Math. Soc. 1, 287-302 (1950). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 22 Documents Keywords:topology × Cite Format Result Cite Review PDF Full Text: DOI