2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107629This paper is devoted to the study of the singularly perturbed second order partial integro-differential equations. The estimation of the solutions of Cauchy problem is obtained.3 pagesClassical Analysis and ODEsDynamical Systems34D08About estimations of difference for the partial integro-differential equation with small parameter at the leading derivativetext