论文信息 - Inherited asphericity, links and identities among relations - 字舞流文

Inherited asphericity, links and identities among relations

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[2] A. J. Sieradski. Framed links for Peiffer identities , 1980 .

[3] John Milnob. Isotopy of links , 1957 .

[4] J. Whitehead,et al. On Adding Relations to Homotopy Groups , 1941 .

[5] P. Stefan. On Peiffer transformations, link diagrams and a question of JHC Whitehead , 1982 .