2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148299This paper is removed from the network permanently. The content in this paper has now been put together with hep-th/9310183. See the recently replaced and widely revised version of the latter.UQMATH-93-09 (This paper is permanently removed from the network since the content in this paper has now been put together with hep-th/9310183 in the the recently replaced (and widely revised) version of the latter)High Energy Physics - TheoryA possible origin of symmetric/asymmetric vertex modelstext