2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94393Isomonodromic deformations are nothing but symmetries of the Zakharov-Shabat (isospectral) hierarchy, both the basic ones (belonging to the hierarchy) and additional, restricted to the submanifold of solutions to the string equation.11 pages, LaTeXExactly Solvable and Integrable Systemstext