2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207074This paper compares recent approaches appearing in the literature on the singularity problem for space-times with nonvanishing torsion.4 pages, plain-tex, published in Nuovo Cimento B, volume 107, pages 849-851, year 1992General Relativity and Quantum Cosmologytext