Ize J, Vignoli A. Equivariant degree for Abelian actions. Part I: Equivariant homotopy groups. TMNA [Internet]. 1993 Dec. 1 [cited 2024 Jul. 22];2(2):367-413. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.1993.048