2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45043I discuss the problem of computing the structure functions for very heavy nuclei at small Bjorken x. The approximations used in this description are physically motivated, and recent computations reviewed.LATEX, 14pp, TPI-MINN-93/56-T, NUC-MINN-93/31-T, UMN-TH-1228/93High Energy Physics - PhenomenologyRecent Progress in Understanding Quark and Gluon Distribution Functions for Large Nuclei at Small xtext