2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/228609We formulate a martingale problem that describes a diffusion process in a multidimensional Euclidean space with a membrane located on a given smooth surface and having the properties of skewing and delaying. The theorem on the existence of no more than one solution to the problem is proved.Probability60J60, 60J35text