2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58483Some properties of [L]-homotopy group for finite complex L are investigated. It is proved that for complex L whose extension type lying between Sn and Sn+1 n-th [L]-homotopy group of Sn is isomorphic to Z.Geometric Topology55Q05; 54C20text