2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152428We consider stochastic equations for the class of formal mappings. Existence and uniqueness of solution, as well as evolution property are proved.4 pages, AMSTeX, to appear in Proceedings of the Seventh Crimean Autumn Mathematical School-Simposium on Spectral and Evolutionary Problems (September, 18--29, 1996, Sevastopol, Ukraine)Functional AnalysisProbabilitytext