2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/26941The Semiclassical Expansion of the t-J model. Lectures in the Jerusalem Winter School on Strongly Correlated Electrons, Dec. 1991, by Assa Auerbach, Physics Dept., Technion, Israel. LateX. Tech-102.LaTeX, Tech-102Condensed Mattertext