2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/163730This paper has been withdrawn by the author; a revised version is part of the author's phd-thesis "Quasi-logarithmic structures" (Zurich, 2007).CombinatoricsProbabilityApproximation by the Dickman distribution and quasi-logarithmic combinatorial structurestext