2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119092In this work some nonlinear integral equation is studied. This equation has arisen in the (super)string field theory and cosmology. In this work it is proved that some boundary problem for this equation has a solution.Mathematical PhysicsAstrophysicsHigh Energy Physics - TheoryOn Some Nonlinear Integral Equation in the (Super)String Theorytext