2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/220The Gross-Kohnen-Zagier theorem describes Heegner points on a modular curve in terms of coefficients of modular forms. We give another proof of this theorem which generalizes to higher dimensions.14 pages plain tex. This version fills a minor gap in the proof in the published versionAlgebraic Geometrytext