2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61248Stochastic antiderivational equations on Banach spaces over local non-Archimedean fields are investigated. Theorems about existence and uniqiuness of the solutions are proved under definite conditions. In particular Wiener processes are considered in relation with the non-Archimedean analog of the Gaussian measure.20 pages, Latex, in accordance with the desire of I.V. Volovich his name is transfered to the end of the paperGeneral Mathematicstext